If we combine two carbon-12 atoms in a fusion process, then we get the element Mg (magnesium) atomic no. of Mg = 12.
Fusion would be the joining of two smaller nuclei to form a larger as well as heavier nucleus, whereas fission is the breaking of a heavy nucleoplasm into lighter nuclei. Energy was absorbed or released as a result of fission as well as fusion.
A magnesium-24 nucleus (Z = 12, A = 24) has the same nucleons as two carbon-12 nuclei (Z = 6, A = 12). The reaction is therefore a fusion of two carbon-12 nuclei, and no other particles are produced:
126C+126C→2412Mg
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a ball has a kinetic energy of 106 j. if the ball is moving at a velocity of 4.31 m/s, what is the mass of the ball, in kilograms?
Answer:
11.4 kg
Explanation:
kinetic energy = ½mv²
where v is speed and speed is 4.31 m/s,
½×m×(4.31)² = 106
(1)m×(4.31)² = 106×2
(2)m = (106×2) ÷ (4.31)² = 11.41251393 ≈ 11.4 kg
further details
(1)multiply 2 on both sides if the equation to remove the ½
(2)divide both sides by 4.31² to remove 4.31² from the mass
since all values used in calculation are in SI units (speed is in m/s and mass in formula is in kg), the final answer is already in kilograms.
a disc of mass m= 0.5kg is rotating at an initial angular velocity of 5 rad/sec and a mass of inertia of 0.02kgm^2. If it changes its angular velocity at a rate of 2 rad/sec^2 find:
1. the disc final angular velocity at 10 second
2. the disc angular displacement of the disc at the end of 10seconds.
3.Calculate the initial rotational kinetic energy of the disc.
4.what is the final rotational kinetic energy of the disc at the end of 10seconds.
5. compute the work done on the disk during the given time.
(show the answers step by step)
The final angular velocity , angular displacement, initial rotational kinetic energy, final rotational kinetic energy and work done on the disk are respectively 25 rad/s, 150 rad, 0.25 Joule, 6.25 Joule, and 6.00 Joule.
Given parameters:
Mass of the disc; m = 0.5 kg.
Initial angular velocity: ω₀ = 5 rad/sec
Mass of inertia; I = 0.02kg.m².
Angular acceleration; α = 2 rad/sec².
1. The disc final angular velocity at 10 second = ω₀ + α t
= 5 + 10×2 rad/s
= 25 rad/s.
2. The disc angular displacement of the disc at the end of 10seconds;
d = ω₀t + 1/2 α t²
= 5×10 +1/2 × 2 × 10² rad
= 150 rad.
3. The initial rotational kinetic energy of the disc = 1/2 I ω₀²
= 1/2 × 0.02× 5² Joule.
= 0.25 Joule.
4. The final rotational kinetic energy of the disc at the end of 10seconds
= 1/2 I ω²
= 1/2 × 0.02 × 25² Joule
= 6.25 Joule.
5. The work done on the disk during the given time = final rotational kinetic energy - initial rotational kinetic energy
= 6.25 Joule - 0.25 Joule
= 6.00 Joule.
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after being hit, a golf ball starts out with a velocity of 130 ft/s. if it reaches a maximum height of 180 ft, what is its velocity at that point?
The velocity at the maximum height is zero.
Velocity defines the direction of the motion of the body or the item. speed is generally a scalar quantity. Velocity is essentially a vector quantity. It's far the rate of alternate of distance. it is the rate of change of displacement.
Speed is the time rate at which an object is moving alongside a path, while pace is the price and path of an object's motion. Put another way, speed is a scalar value, whilst velocity is a vector.
In easy phrases, velocity is the speed at which something moves in a specific route. as an instance as the speed of a vehicle journeying north on a highway, or the rate a rocket travels after launching. The scalar means absolutely the cost value of the speed vector is constantly be the velocity of the movement.
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An 80-kg firefighter slides down a brass pole 8. 0 m high in a fire station while exerting a frictional force of 600 n on the pole. He reaches the bottom of the pole in the time of
He reaches the bottom of the pole in the time of 2.6 sec .
What is force ?
Mechanics compels any action intended to maintain, alter, or distort the motion of an object. The concept of force is commonly explained using Isaac Newton's three laws of motion. According to Newton's first principles, an object at rest, or in uniform linear motion, will remain in that state until a force is applied. The second law states that when an external force acts on an object, it will accelerate (change in velocity) in the direction of the force. The magnitude of acceleration is directly proportional to the magnitude of the external force and inversely proportional to the amount of matter in the body. Newton's third law states that when one object exerts a force on another object, the second object exerts the same force on the first object. This principle of action and reaction explains why forces tend to deform objects (that is, change their shape), whether or not they move them. Object deformation can usually be ignored when studying object motion.
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A force of 30 n is applied to an object that causes it to accelerate at 20 m/s2. What is the mass of the object?.
Explanation:
F = ma
30 = 20m
m = 30/20
m = 1.5 kg
you hold a piece of wood in one hand and a piece of iron in the other. both pieces have the same volume, and you hold them fully under water at the same depth. at the moment you let go of them, which one experiences the greater buoyancy force? you hold a piece of wood in one hand and a piece of iron in the other. both pieces have the same volume, and you hold them fully under water at the same depth. at the moment you let go of them, which one experiences the greater buoyancy force? the piece of wood. they experience the same buoyancy force. the piece of iron. more information is needed.
Answer:
same
Explanation:
They both have the same volume....so they both displace an equal amount of water and thus experience the same buoyancy force
objective lens with focal length 12.7 m and an eyepiece with focal length 3.84 cm. what is the angular magnification of the telescope?
The angular magnification of the telescope with 12.7 m and an eyepiece with focal length 3.84 cm is 330.729.
What is magnification of a telescope?
Magnification of the telescope is the amount that a telescope can enlarge its subject. It is equal to the focal length of the telescope divided by the focal length of the eyepiece. Some factors like true field, resolution and apparent field have to be considered.
Magnification of the telescope can be calculated as,
M = Fo / Fe
where Fo = focal length of objective lens, Fe = focal length of the eyepiece.
M = 12.7 m / 3.84 cm = 12.7 / 3.84 x 10^-2 m = 330.729.
Therefore, the magnification of the telescope with 12.7 m and an eyepiece with focal length 3.84 cm is 330.729.
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if we double the voltage in a simple dc circuit and reduce the resistance by half, what will happen to the value of the current?
If the voltage is doubled, and the resistance is halved, the present day in a twine increase by using 4 instances. electric resistance is the obstruction in the go with the flow of current.
This means that whilst resistance will be less, the contemporary will be more. additionally, the components for the contemporary is, I = V / R, in which I = modern-day, V = Voltage, R = Resistance.
In Ohm's law, the quantity R is usually constant. So, while you double the contemporary strolling through an element, the voltage throughout that element also doubles, leaving you with the same resistance for the element.
Resistance is directly proportional to the period and inversely proportional to the cross-sectional location. So if the duration is halved and the move-sectional place doubled, the resistance becomes one-fourth of the unique cost.
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Which choice shows the energy transformations that occur when a light bulb
heats up after it has been turned on?
A. electrical-light-thermal
B. chemical electrical-thermal
C. chemical electrical-light
D. electrical chemical-thermal
what is the far point in m of a person whose eyes have a relaxed power of 50.7 d? (assume a lens-to-retina distance of 2.00 cm.)
The far point in m of a person's eye is 1.42m.
what is the far point?This refers to the longest distance at which an object can be placed for its image to be reflected on the retina within the area the eye can accommodate. It can also be described as the farthest point from the eye at which images appear clear. It is measured in meters, m.
What is the relaxed power of the eye?This refers to when the muscles controlling the lens are very much at ease and the lens has its lowest power and longest focal length. It is measured in diopters, D.
P = relaxed power of the eye
F =far point
Given in the question:The power of the eye is given as
P = 1/di + 1/do
P is power of the eye
di is the distance between eye lens and the image
d₀ is distance between eye lens and image
Given that,
P =50.7d
Note: the power unit "d" is called dioptre and it means per meter
If the person is seeing clearly, the distance between the eye lens and the image (di) must be equal to the distance between the eye lenses and the retina which is 2cm
Thus, di = 2cm = 0.02m
P = 1/di + 1/d₀
1/d₀ = P — 1/di
1/d₀ = 50.7 — 1/0.02
1/d₀ = 50.7—50
1/d₀ = 0.7m
taking reciprocal
d₀ = 1/0.7
d₀ =1.4386m
Then, d₀ = 1.4386m
d₀≈ 1.42m
The far point the person can see is 1.42m
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A car accidently Roll of a cliff. A it leave the cliff it ha horizontal velocity of 13 m/ it hit the ground 60m from horeline. Calculate the height of the cliff
The height of the cliff is 104.59 m.
Solution:
Time (t) = 4.62 s
Acceleration due to gravity (g) = 9.8 m/s²
Height (h) =?
h = ½gt²
h = ½ × 9.8 × 4.62²
h = 4.9 × 21.3444
h = 104.59 m
Thus, the height of the cliff is 104.59 m
The maximum point of the parabolic trajectory has a completely horizontal component. Since the velocity is only along the horizontal path, we can conclude that the horizontal velocity at the peak of the motion is zero. The initial horizontal velocity can also be determined by measuring the diameter d of the sphere and dividing it by the time t it takes for the sphere to move across the photogate.
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Based on the nasa institute for space studies climate model, observed temperature increases are best represented when it includes the influences of?.
Observed temperature increases are best represented when it includes the influences of increases in greenhouse gases.
What are greenhouse gases ?
Greenhouse gases are gases in the atmosphere that affect the earth's energy balance. They cause the so-called greenhouse effect. Carbon dioxide (CO2), methane, and nitrous oxide, the best-known greenhouse gases, occur naturally in the atmosphere at low concentrations. However, since the beginning of the last century, its proportion has increased significantly due to various anthropogenic causes.
Besides these trace gases, which occur only in very low concentrations in the atmosphere, water vapor is probably the most important greenhouse gas. However, its ability to absorb water vapor from the air is directly related to temperature, so it only plays a major role with respect to the natural greenhouse effect. Therefore, water vapor contributes little to man-made climate change.
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What the basic components of cartridges and shotshells are similar?.
The answer is projectile.
Handguns and rifles use a cartridge having a single projectile or bullet. Shotguns use a shot shell comprising either a single bullet or a big number of small projectiles (shot or pellets). Though, the basic components of cartridges and shot shells are alike.
Modern ammunition varies depending on the type of firearm. Rifles and handguns use a cartridge containing a single projectile (bullet). Shotguns use a shotshell containing either a single slug or a large number of small projectiles (shot or pellets). However, the basic components of cartridges and shotshells are similar.
Therefore, the answer to your question is projectile. The basic component of cartilages and shotshells is projectile.
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a 23.0-turn solenoid of length 6.40 cm produces a magnetic field of magnitude 2.10 mt at its center. find the current in the solenoid.
A 23.0-turn solenoid of length 6.40 cm produces a magnetic field of magnitude 2.10 m at its center. The current in the solenoid is
B=μ[tex]*i*N/L=2.2[/tex]
so [tex]i=2.2* .062 /(31*u)=4.4*10^{-3}[/tex] / μ
[tex]I=4.4*10^(-3) /[/tex] μ
What is Solenoid?
Magnets that have a wire wrapped around an iron core are known as electromagnets. The creation of a magnetic field around the iron core depends on the presence of electric current. When the electricity is turned off, the magnetic field disappears. The magnet's wire-wrapped core is ferromagnetic or ferrimagnetic by nature. The most frequent material utilized in the core is iron.The amount of power available determines the magnetic field that is created. Power supply is not required for a permanent magnet, and the magnetic field cannot be controlled. Hard drives, relays, motors, loudspeakers, generators, MRI machines, solenoids, and other devices are all made with magnets.However, The solenoid is a particular type of electromagnet, and its function is to produce.
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How do you identify a type of wave?.
There are two types of waves: longitudinal waves and transverse waves.
Shear waves are like water the surface rises and falls. Longitudinal waves are like sound waves, alternating between compression and rarefaction in a medium. Based on the direction of particle motion and direction of energy.
Sound waves can be recognized by the fact that waves vibrate objects. Sound wave vibrations must be converted into signals, amplified, and processed. Ears and microphones are common sound detectors. They are easily distinguishable in seismic records. Shallow earthquakes produce stronger surface waves. Deeper earthquakes reduce the intensity of surface waves. Surface waves arrive after body waves.
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What was used as evidence to develop the big bang theory and the origin of the universe?.
Answer: Hubble's discovery in the 1920's of a relationship between a galaxy's distance from Earth and its speed; and the discovery in the 1960's of cosmic microwave background radiation.
Explanation:
A diver runs horizontally off the end of a 3. 0-m-high diving board with an initial speed of 1. 8 m/s.
At time 0.25 s the driver position is at 0.45 m if he drives the vehicle at an initial speed of 1. 8 m/s.
At t = 0.25 s
Considering horizontal motion of diver vehicle :-
Initial speed, u = 1.8 m/s
Acceleration , a = 0 m/s²
Displacement, s = ?
Time, t = 0.25 s
the equation of motion, s= ut + 0.5 at²
Substituting all the above given values
s= ut + 0.5 at²
s = 1.8 x 0.25 + 0.5 x 0 x 0.25²
s = 0.45 m
so, the position of vehicle will be 0.45 m at an initial speed of 1. 8 m/s.
the complete question is:
A diver runs horizontally off the end of a 3.0-m-high diving board with an initial speed of 1.8 m/s. Given that the diver's initial position is xi=0 and yi=3.0m, find her x positions at the time t = 0.25 s.
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What is the magnitude of the acceleration of a skydiver who is currently falling at one-fifth his eventual terminal speed?.
a = 3.53 m/[tex]s^{2}[/tex] is the magnitude of the acceleration of a skydiver who is currently falling at one-fifth his eventual terminal speed.
a= g×(1-([tex]\frac{16}{25}[/tex])
a= 9.8×(1-[tex]\frac{16}{25}[/tex])
a= 3.53 m/[tex]s^{2}[/tex]
In mechanics, acceleration refers to the rate at which an object's velocity with respect to time varies. Acceleration is a vector quantity (in that they have magnitude and direction). The direction of an object's acceleration is determined by the direction of the net force acting on it.
According to Newton's Second Law, the amount of an object's acceleration is the combined result of two causes:
1)The amount of the net resultant force, which is directly proportional to the sum of all external forces acting on that object; 2)Depending on the materials used to create it, an object's mass is inversely related to its magnitude.The acceleration unit in the SI is the meter per second squared.
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the andean giant hummingbird (patagona gigas) has mass 70 gg and flaps its wings 10 times per second while hovering. estimate the amount of work done by such a hummingbird in each wingbeat.
The Andean Hummingbird (Patagona gigas) has a mass of 70 g and flaps its wings 10 times per second while hovering. Possible answers: between 0.7 J/beat and 1.75 J/beat.
To move an object, it must be converted into energy. The transfer of energy can be done in a force way. This amount of energy transferred by the force that moves the object is called work done. Expressing this concept mathematically, the work W is equal to the force f multiplied by the distance d, or W = fd. If the force is applied at an angle θ to the displacement, the work done is W = fd cos θ. Scientifically, work is done only when a certain distance is traveled or a force is applied. If the object to which the force is being applied is not moving, no work is being done.
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(b) The preure of the air in the balloon i returned to 120 kPa. The temperature of the air inide the balloon i 290 K. The balloon i teted again, changing the temperature of the air and keeping the volume of
the balloon contant
The balloon volume is fixed at 0.413793. We can assume that the outside air pressure is constant.
The pressure inside a hot air balloon is affected by temperature. As the molecules heat up they move faster and hit the inner wall of the balloon harder. This increased motion of gas particles increases the force exerted on the area of the balloon increasing the pressure.
Calculation:-
Pressure = 120 kpa
Temperature = 290 K
PV = nRT
V = nRT/P
= 1 × 8.314× 290/120×100
= 0.413793
The frozen balloon contracted because the average kinetic energy of the gas molecules inside the balloon decreased as the temperature decreased. As a result, the molecules move more slowly and collide with the inner wall of the balloon less frequently and weaker, causing the balloon to deflate somewhat. At a constant temperature if the balloon is compressed to half its volume the air pressure inside the balloon doubles.
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Disclaimer:- your question is incomplete, please see below for the complete question.
The preure of the air in the balloon i returned to 120 kPa. The temperature of the air inide the balloon i 290 K. The balloon i teted again, changing the temperature of the air and keeping the volume of
the balloon contant at pressure?.
A line that intersects two or more lines in a plane at different points is called a.
A line that intersects two or more lines in a plane at different points is called a transversal line
A transversal line, in geometry, passes through two lines in the same plane at two distinct points. Intersection caused by transversal forms several angles. These are corresponding angles, alternate interior angles, alternate exterior angles, and co-interior angles.
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024 (part 1 of 3) 10.0 points
A 1.0 kg block is pushed 3.0 m at a constant
velocity up a vertical wall by a constant force
applied at an angle of 29.0° with the horizon-
tal, as shown in the figure.
The acceleration of gravity is 9.81 m/s².
1 kg
3 m
29°
Drawing not to scale.
If the coefficient of kinetic friction between
the block and the wall is 0.40, find
a) the work done by the force on the block.
Answer in units of J.
025 (part 2 of 3) 10.0 points
b) the work done by gravity on the block.
Answer in units of J.
026 (part 3 of 3) 10.0 points
c) the magnitude of the normal force between
the block and the wall.
Answer in units of N.
The work done by the applied force is 21.23 J.
The work done by the gravity is 29.4 J.
The magnitude of the normal force between the block and the wall is 9.8 N.
What is the work done on the block?The work done on the block include the following;
by the applied force, W = Fd cosθby the force of gravity, W = Fn cosθ x dby force of friction , W = Ff cosθ x dwhere;
F is the applied forceFn is the normal forceFf is the force of frictiond is the distance in which the block is moveθ is the angle of inclination of the blockThe applied force on the block is calculated as follows;
Fsinθ - μmgsin(90) = ma
at a constant velocity, the acceleration of the block = 0
Fsinθ - μmg = 0
Fsinθ = μmgsinθ
F = μmg/sinθ
F = (0.4 x 1 x 9.8)/sin(29)
F = 8.09 N
The work done by the applied force is calculated as;
W = Fcosθ x d
W = (8.09 x cos29) x 3
W = 21.23 J
The work done by the gravity is calculated as follows;
W = Fn cosθ x d
where;
θ is the angle between the normal force and the block = 0W = mg cosθ x d
W = 1 x 9.8 x cos(0) x 3
W = 29.4 J
The magnitude of the normal force between the block and the wall is calculated as follows;
Fn = mg cosθ
where;
θ is the angle between the normal force and the block = 0Fn = 1 x 9.8 x cos(0)
Fn = 9.8 N
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while it’s impossible to design a perpetual motion machine, that is, a machine that keeps moving forever, come up with ways to keep some type of periodic motion going for a very long time. Explain the limits on perpetual motion. Discuss what slows down a machine and how you might minimize those effects for at least one specific form of periodic motion, such as the motion of a spring or pendulum, or circular motion. Come up with an inventive solution
The operation of a machine that, once begun, would keep pushing forever with no extra energy essential to maintaining it going. This is referred to as the perpetual motion machine.
What is periodic motion?
Motion that repeats at regular intervals is termed periodic motion in physics. A rocking rocker, a jumping ball, a humming tuning fork, a swing in motion, the Earth in its orbit of the Sun, and a water wave are a few instances of periodic motion.
It would be hard due to the number of factors at play. Gravity, positioning energy, height, weight, etc. You would need to construct something like the stated with sufficient weight to balance its momentum on every swing's peak with the pull of the earth's core to keep it moving for as long as possible.
I will make the variable out of something like copper. The way the variables are weighted on a basis is also significant. Take all this into consideration and try some things out! Maybe one day you'll be able to find the ideal ratio for each role for weight, gravitational momentum, and mechanical potential to make it last forever. As said, a variety of things are very important in this experiment.
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El niño is a weather event that causes great changes in weather worldwide. During an el niño event, the polar jet stream shifts northward. Which change will an el niño event most likely cause?.
El niño affects the pattern of rainfall over months to seasons by redistributing heat and wind across the Pacific. As the atmosphere above the heated water surface warms, moist air rises and forms rain clouds.
Surface waters in the central and eastern Pacific Ocean become significantly warmer than usual during an El niño event. This shift is inextricably linked to the atmosphere and the winds blowing across the vast Pacific. Easterly trade winds (which blow from the Americas to Asia) weaken and can even turn westward. This allows large amounts of warm water to slosh from the western Pacific toward the Americas. It also reduces the upwelling of cooler, nutrient-rich waters from the deep, slowing or reversing ocean currents along the equator and the west coasts of South and Central America.
The air circulation above the tropical Pacific Ocean responds to this massive redistribution of ocean heat. The eastern Pacific's typically strong high-pressure systems weaken, altering the balance of atmospheric pressure across the eastern, central, and western Pacific. While easterly winds are typically dry and consistent, Pacific westerlies tend to arrive in bursts of warmer, moister air.
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speedy drives horizontally off a clif with a velocity of 15 m/s. he lands 30m from the base of the cliff. how high is the cliff?
The height of the cliff is 80 meters.
The rate of change of position of an item in any path. The speed is measured because of the ratio of distance to the time in which the distance was included.
Velocity can be the concept of the charge at which an item covers distance. a quick-shifting item has a high pace and covers a highly huge distance in a given quantity of time, whilst a sluggish-shifting object covers a fantastically small quantity of distance in an identical amount of time.
Motion is a change in the function of an object over the years. motion is defined in terms of displacement, distance, speed, acceleration, time, and speed. speed, being a scalar amount, is the fee at which an item covers distance with respect to time.
Calculation:-
Time = distance/ speed
= 30/15
= 2 seconds.
S = ut + 1/2 at²
= 30 × 2 + 0.5 × 10 × 4
= 60 + 20
= 80 meters.
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Bobby has a mass of 50 kg and he runs down the length of a football field at 4.7 m/s in an effort to catch the football being passed to him. What is his momentum?
Work out and Use Units Please
The momentum of Bobby having a mass of 50 kg is 235 kgm/s.
What is momentum?Momentum can be defined as the product of mass and velocity of a body.
To calculate the momentum of the of Bobby, we use the formula below.
Formula:
M = mv.......... Equation 1Where:
m = Mass of BobbyM = Momentum of Bobbyv = Velocity of BobbyFrom the question,
Given:
m = 50 kgv = 4.7 m/sSubstitute these values into equation 1
M = (50×4.7)M = 235 kgm/sHence, the momentum of Bobby is 235 kgm/s.
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which of the following is not a general characteristic of the four jovian planets in our solar system?
This is not a characteristic of the four Jovian planets in our solar system: That they are higher in average density than the terrestrial planets.
What are the characteristics of Jovian planets?Unlike the terrestrial planets of inner solar system (Mercury, Venus, Earth, and Mars), Jovian planets do not have solid surfaces.
They are also less dense than terrestrial planets and are composed of gases. They have many moons and their mass gives them more gravitational pull. They also have rings.
Characteristics of the Jovian Planet are : They all are gaseous bodies, they have ring systems around them and also they have a large number of natural satellites.
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a resistor and a capacitor are connected in series to an ideal battery of constant terminal voltage. when this system reaches its steady-state, the voltage across the resistor is
The voltage across the battery's terminals is the same as the voltage across the resistor and capacitor.
When a battery is connected to an RC series circuit, the change on the capacitors steadily rises from zero to its maximum value. The capacitor takes a very long time to fully charge, after which there is no more current flowing through the battery.The resistor in the circuit, which is coupled to the capacitor, controls the rate of charging and discharging.The capacitor's voltage is higher than the battery's voltage. Since there is no current flowing through this circuit in the steady state, there is no voltage across the resistor. Compared to the voltage of the battery, the voltage across the capacitor is lower.
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Is this a photo of a spiral galaxy or an elliptical galaxy, and how do you know?.
Elliptical galaxies lack structure and have a rounded ellipsoidal form, which gives them the appearance of a huge spherical or elliptical ball of stars. It is possible to categories elliptical galaxies according on how long and narrow they seem.
Based on how tightly curled the spiral arms appear, spiral and barred spiral galaxies are divided into subclasses. With yellowish bulges in the middle, spiral galaxies look as flat, blue-white discs of stars, gas, and dust. The two categories of these galaxies are regular spirals and barred spirals. In barred spirals, the central bulge is traversed by the starry bar.Galaxies were first categorized by Edwin Hubble into four categories: spirals, barred spirals, ellipticals, and irregulars. He further divided spiral and barred spiral galaxies based on their size.
The question is incomplete, the complete question is:
s this a photo of a spiral galaxy or an elliptical galaxy, and how do you know?.
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A boat drops an anchor 17. 5 feet to the bottom of a lake. If the anchor fal ls at a rate of 0. 07 feet each second, how long wi l l it take the anchor to reach the bottom of the lake?.
The anchors to reach the bottom of the lake are 250 seconds.
Solution:
v = d/t
t = d/v
t = 17.5 ft/0.07ft
t = 250 second
So, the time taken by the anchor to reach the bottom of the lake is 250 seconds. Hence, this is the required solution.
A saltwater pool sometimes called an underwater lake deep sea, or salt lake is a volume of salt water that collects in a depression on the ocean floor. A pool is a dense body of water with a salinity of three to eight times that of the surrounding sea. The lake's water comes from rain snow melted ice streams and seepage from groundwater. Most lakes contain fresh water.
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