Answer:
Autism
Explanation:
Those are some symptoms of autism that you described
Answer:
Autism is the answer
Remembering the Battle of Bunker Hill what did general Harry and his troops do
How is work related to force and displacement?
Answer:
Displacement is the distance and direction an object is moved. Force and work are directly proportional to each other, while force and displacement are indirectly propotional. The equation showing the relationship is W= Fd. OR Work is a scalar. The rate at which work is done or at which energy is transferred. Work is equal to the force parallel to the displacement.
Explanation:
Work is related to force and displacement as the work is the product of the displacement and the force.
What is work done?The total amount of energy transferred when a force is applied to move an object through some distance
The work done is the multiplication of applied force with displacement.
The SI unit of work done by an object is Joules.
IJ is the work done when a force of 1 N displaces an object by 1 m .
work is the product of displacement and force.
Work Done = Force * Displacement
For example, let us suppose a force of 100 N is used to displace an object by a displacement of 50 m then the work done on the object can be calculated by the above-mentioned formula
work done = 100 N ×50 m
=5000 N m
Thus, we can say the work done on an object depend on the force as well as the displacement, as the work is the product of the force and the displacement
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A wave has a frequency of 1000 Hz and a wavelength of 0.33 m. What is the
speed of the wave? Use the equation v=fxa.
O
O
O
A. 330 m/s
B. 590 m/s
C. 0.017 m/s
O
D. 0.0030 m/s
SUBMIT
A
Explanation:
V= f×a
V= 1000Hz ×0.33m
V= 330m/s
Which of the following situations would produce and average velocity of zero
These waves are often used as a means to transfer digital information such as a text message or website.
A)Infrared
B)Ultraviolet
C)Radio
D)Visible Light
Answer:The answer is C
Explanation:
The waves are often used as a means to transfer digital information such as a text message or website is radio waves. The correct option is C.
What is digital information?Digital information generally consists of data that is created or prepared for electronic systems and devices such as computers, screens, calculators, communication devices. These information are stored by cloud.
The wave used for the same purpose is radio waves which has the high frequency range.
Thus, the correct option is C.
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A ___ force is not path-dependent and does not change the overall mechanical energy of an object.
Answer:
conservative
Explanation:
Nonconservative force is the force that depends on a path, however conservative does not depend on a path and it is not associated with the potential energy. When the work is done by an unconservative force, mechanical energy is added or removed. Friction is the best example for a non-conservative force. When these non-conservative forces are acting, the mechanical energy changes but these are not preserved.
hope this helped!
Answer: conservative
Explanation:
A conservative force is not path-dependent and does not change the overall mechanical energy of an object.
A conservative force is a force with the property that the total work done in moving a particle between two points is independent of the taken path, e.g. gravitational force or electric force.
A nonconservative force is one for which work depends on the path taken, e.g. frictional force.
Two waves with amplitudes of 52 units and 98 units come together. Their amplitude, which is measured at a specific point and time, is 46 units. What wave behavior explains this value? A. destructive interference B. constructive interference C. refraction D. diffraction E. partial transmission
Answer: A
destructive interference
Explanation: Interference involves coming together of two waves of the same type. E.g sound waves, water waves e.t.c
Whenever two waves of different amplitude interferes with one another and there is increase in amplitude, this is known as constructive interference.
But whenever there is decrease in amplitude as a result of interference of the two waves, this is known as destructive interference.
If Two waves with amplitudes of 52 units and 98 units come together. Their amplitude, which is measured at a specific point and time, is 46 units. The wave behavior that explains this value is destructive interference because of decrease in the units of amplitude.
Answer:
destructive interference
Explanation: Plato user
do you believe there is an end to the universe? Explain your answer
A washing machine heats 10kg of water in each wash cycle. How much energy is saved by washing at 30'c instead of 50'c if the starting temperature of the cold water is 16'c? The specific heat capacity of water is 4200 J/Kg'c
The two equations you can use is in the picture.
8.4 × 10⁵ Joules of heat energy can be saved assuming that there is no heat exchange between the washing machine and the environment.
What is Heat energy?Heat energy is the result of movement of tiny particles called as atoms, molecules, or ions in solids, liquids and gas substances. Heat energy can be transferred from one object to another object.
Let m denote the mass of water and the specific heat capacity of water. The energy required to raise the temperature of that much water by would be:
Q = m × c × ΔT
Washing at 30°C would require a temperature change of
ΔT = 30°C - 16°C = 14°C
Washing at 50°C would require a temperature change of
ΔT = 50°C - 16°C = 34°C
In both situations, c = 4.2 × 10³J.kg/ °C while m = 10kg.
Calculate the energy required in either of the situations as:
Washing at 30°C:
Q(30°C) = c × m × ΔT
Q = 4.2 × 10³J.kg/ °C × 10kg × 14°C
Q = 588000 Joules
Washing at 50°C :
Q (50°C) = c × m × ΔT
Q = 4.2 × 10³J.kg/ °C × 10kg × 34°C
Q = 1428000 Joules
1428000 Joules - 588000 Joules = 8.4 × 10⁵ Joules
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What is the power of a lightbulb that transfers 60 joules of electrical energy in 15 seconds
Answer:
power=[tex]\frac{work done}{time taken}[/tex]
power=[tex]\frac{60joules}{15seconds}[/tex]
power=4J/s
How does the value of the electrostatic force vary with the value (how many) of the charges?
Answer:
Electrostatic force is directly proportional to the amount of charge on each body under consideration.
Electrostatic force increases with increase in charge.
Electrostatic force decreases with decrease in charge.
Explanation:
Electrostatic force is the force between 2 charges which can be explained by the Coulomb's Law:
F= K (q₁)(q₂)/r²
Where
F= Electrostatic Force
K = Constant of Proportionality
(q₁) and (q₂) = Amount of charge on each body
r = Distance between two bodies carrying charge
If the value of (q₁) or (q₂) is increased considering the other factors remain constant, the value of F will also increase.
And vice versa.
The shape of an apple is considered what
the shape of an apple is considered a physical property
The law of conservation of energy states that
A. energy cannot be converted from one from to another
B. energy cannot be created or destroyed
C. energy resources must be used efficiently
D. energy is constantly being lost to friction
Answer:
B
Explanation:
Energy can not be destroyed only converted into another form of energy
What scientific evidence supports the Big Bang theory?
Universe expansion
Redshift
Composition of the universe
All of the above
None of the above
Answer:A universe expansion
Explanation:
The earliest and most direct observational evidence of the validity of the theory are the expansion of the universe according to Hubble's law (as indicated by the redshifts of galaxies), discovery and measurement of the cosmic microwave background and the relative abundances of light elements produced by BBN.
A mover uses a ramp to load a crate of nails onto a truck. The crate, which must be lifted 1.5 m from the street to the bed of the truck, is pushed along the length of the ramp. If the ramp is 4.5 m long and friction between the ramp and crate can be ignored, what is the mechanical advantage of the ramp?
Answer: M.A = 3
Explanation:
A ramp is an example of an inclined plain. Where the
Height H = 1.5 m
Length L = 4.5 m
Mechanical advantage of a machine is the ratio of the load to effort. While mechanical advantage M.A of an inclined plain is the ratio of the length of the plain to the height of the plain.
M.A = L/H
Substitute the values of L and H into the formula
M.A = 4.5/1.5 = 3
The mechanical advantage of the ramp is 3
1/25 force of gravity in distance
Answer: 25
Explanation:
Electron are _____ charged particles
Answer:
negatively
Explanation:
hope this can help u :3
Answer:
negatively
Explanation:
Together, two students exert a force of 825 N in pushing a car a distance of 35 m.
How much work do the students do on the car?
Answer:
28875 Joule
Explanation:
W = F * d
W = 825*35 = 28875 J
The work done by the students in pushing a car at a distance of 35 meters would be 28875 Joules.
What is work done?The total amount of energy transferred when a force is applied to move an object through some distance
The work done is the multiplication of applied force with displacement.
Work Done = Force * Displacement
As given in the problem Together, two students exert a force of 825 Newtons in pushing a car at a distance of 35 meters, then we have to find out the work done by the students,
The force exerted by the students = 825 Newtons
The distance moved by car = 35 meters
work done by students = 825×25
=28875 Joules
Thus, the work done by the students would be 28875 Joules.
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Can someone give me a situation where energy is being transferred, transformed or both? Thank you!
WHAT IS CHANGE OF STATE
Answer:
a change from one state (solid or liquid or gas) to another without a change in chemical composition
Explanation:
Explanation:
From Solid to. Liquid to Gas A change of state is the change of a substance from one physical form to another. All changes of state are physical changes. The particles have different amounts of energy when the substance is in different states.
Mechanical energy is..
A. Found in machinery only
B. usually measured at the atomic level
C. the sum of the chemical and thermal energy of an object
D. the sum of the kinetic and potential energy of an object
Answer:
D
Explanation:
Mechanical energy is all about movement
Also kinetic and potential energy are mechanical
Which object has the least amount of kinetic energy?
Spinning top
Ball rolling water falling out of cup
Roller coaster
Answer:
Not sure about the answer but I think its roller coaster
Explanation:
Answer:
golf ball
Explanation:
it is correct on edge
if you crash your car how could you decrease the damage to you or the car using the concept of impulse
Explanation:
Crumple zones are sections in cars that are designed to crumple up when the car encounters a collision. Crumple zones minimize the effect of the force in an automobile collision in two ways. By crumpling, the car is less likely to rebound upon impact, thus minimizing the momentum change and the impulse.
ANSWER ASAP AND WILL GIVE BRAINLIEST AND POINTS
Which line indicates the orbit of Mars?
Answer choices:
B
D
A
C
Answer:
D
Explanation:
Mars is the planet between Earth and Jupiter, or the 4th planet from the Sun.
Answer:
D is the correct answer
Why can a liquid take the shape of the bottom of its container?
A: The particles of a liquid can vibrate within their fixed locations
B: The particles of a liquid can break free from one another and spread out
C: The particles of a liquid can flow around one another to a new location
Answer:
c
Explanation:
bc the molecules are not so tightly packed it can slide past one another or flow to a new location.
Acceleration can be defined as the rate at which velocity
Answer here
Answer:
Acceleration can be defined as the rate at which velocity increases per second.
Assuming that the acceleration unit is
m/s^2
What is the momentum of a bowling ball with a mass of 8.9 and a speed of 6.0 m/s
Answer:
53 kg m/s
Explanation:
Momentum = mass × velocity
p = mv
p = (8.9 kg) (6.0 m/s)
p = 53.4 kg m/s
Rounded to 2 significant figures, the momentum is 53 kg m/s.
On the moon, what would be the force of gravity acting on an object that has a mass of 7 kg?
Answer: 7 kg
Explanation:
Electric circuit questions,,, plz help me
Identify the clean sources of energy.
Answer:
biomass, geothermal, hydropower, solar, and wind.
hope this helped!
