Answer:
i would like some more explanation i dont understand the question enough
Explanation:
Answer:
Its D.
Explanation:
"When a basketball player jumps to make a shot, _____.""A:the forces on the player’s feet and on the floor are both in the upward direction B:the action-reaction forces are unequal because they act on different objects C:the force with which he jumps is equal to the force with which he shoots the ball D:the downward force on the floor is equal to the upward force on his feet "the floor is flat so it wont be a bc the shoes or not flat and its not b bc how u saypost to jump up uk and its not c bc u need to jump u cant just hit your shot when u jump up u gotta make sure u aimed for the shot soHow far does a car travel as it accelerates from rest to 24 m/s in 6 seconds?
Answer:
[tex] \boxed{\sf Distance \ travelled = 72 \ m} [/tex]
Given:
Initial velocity (u) = 0 m/s (Starts from rest)
Final velocity (v) = 24 m/s
Time taken (t) = 6 seconds
To Find:
Distance travelled by car (s)
Explanation:
From equation of motion of object moving with uniform acceleration in straight line we have:
[tex] \boxed{ \bold{s = (\frac{v + u}{2} )t}}[/tex]
By substituting value of v, u & t in the equation we get:
[tex] \sf \implies s = ( \frac{24 + 0}{2} ) \times 6 \\ \\ \sf \implies s = \frac{24}{2} \times 6 \\ \\ \sf \implies s = 12 \times 6 \\ \\ \sf \implies s = 72 \: m[/tex]
[tex] \therefore[/tex]
Distance travelled by car (s) = 72 m
All of the following are job duties an industrial/organizational psychologist may perform except
A. increasing job productivity
B. creating business products
C. improving business processes
D. consulting management
Answer:
B. creating business products
Explanation:
All of the following are job duties an industrial/organizational psychologist may perform except B. creating business products
The creation of business products is the one task that an industrial/organizational psychologist cannot accomplish, hence option B is the appropriate response.
What is psychology?Psychology is the name given to the scientific study of the mind and behavior. Psychiatrists are engaged in an ongoing study to better understand the mind, brain, and personality.
the psychological schools of thought known as biological, psychodynamic, behavioral, cognitive, and humanistic.
The business and productivity facets of psychology are covered in industrial/organizational psychology.
Within a company organization, an industrial/organizational psychologist carries out a variety of tasks including boosting employee productivity, enhancing business operations, and offering management advice.
An industrial/organizational psychologist does not create the company product.
Thus, with the exception of developing business products, all of the following are tasks that an industrial/organizational psychologist may carry out. Option B is the best response.
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What would 7.68 cal/sec be if it were converted to kcal/sec?
Answer:
0.00768 kcal/sec
Explanation:
shows an oil tank that has a rectangular base of dimensions 2.4 m by 1.5 m. oil depth of oil 2.4 m 1.5 m
The tank is filled with oil of density 850 kg / m3 to a depth of 1.5 m.what is the force exerted by the oil on the base of the tank.
Answer:
45 000 N
Explanation:
[tex]pressure \: = \frac{force}{area} \\ density \times g \times height = \frac{force}{area} \\ (850)(9.81)(1.5) = \frac{force}{(2.4)(1.5)} \\ force \: = 45000n \: (3sf)[/tex]
The pressure the oil exerts on the base of the tank is required.
The oil exerts a force of 45027.9 N on the base of the tank.
The dimensions of the tank base are 2.4 m by 1.5 m.
h = The height of the tank = 1.5 m
[tex]\rho[/tex] = Density of oil = [tex]850\ \text{kg/m}^3[/tex]
g = Acceleration due to gravity = [tex]9.81\ \text{m/s}^2[/tex]
F = Force
A = Area of base
Pressure is given by
[tex]P=\rho gh[/tex]
[tex]P=\dfrac{F}{A}[/tex]
So,
[tex]\rho gh=\dfrac{F}{A}\\\Rightarrow F=\rho ghA\\\Rightarrow F=850\times 9.81\times 1.5\times (2.4\times 1.5)\\\Rightarrow F=45027.9\ \text{N}[/tex]
Hence, the oil exerts a force of 45027.9 N on the base of the tank.
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What is initial velocity?
Initial velocity is when the motion starts.
Explanation:
Initial velocity is is the velocity at time interval t = 0 is represented by u.
If the net force acting on an object doubles, how will the object's acceleration be affected?
Answer:
It goes slower
Explanation:
If the net force is doubled it gains weight
According to newton's first law, an object traveling in a circle does not have a force acting on it.
A. True
B. False
Answer:
I say its true
Explanation:
Answer:
1m Up + 5m Left + 2m Down
Answer:
4m
Explanation:
because 1+5 is 6 +2 down is 4
Calculate net force
532N 215N
Answer:
FN is the forces acting on a body. When the body is at rest, the net force formula is given by, FNet = Fa + Fg.
Im in 7th and thats all I know so I hope it's enough
The chart shows data for a moving object.
Which conclusion is best supported by the information
in the chart?
Time (s)
Velocity (m/s)
The object has negative displacement.
The object has negative acceleration
The object does not have displacement.
The object is not accelerating.
Answer:
The object has negative acceleration.
Explanation:
2 or B
A shuffle board disk is pushed at a rate of 6.0 m/s over a 10.8 m distance by a player. How long did the player push the disk? A. 65 s B. 17 s C. 2 s or D. 4 s
It's obvious that 65 s isn't the answer. I'm still doing this question myself
What is Newton’s second law of motion
The rate of change in momentim is proportinal to the law of force. I think if I'm wrong then I apolagize
A car is traveling at 6 m/s for 10 seconds How far does it travel
Answer:
[tex]\boxed {\tt 60 \ meters}[/tex]
Explanation:
Distance can be found by multiplying speed and time.
[tex]d=s*t[/tex]
The car travels 6 meters per second and the time is 10 seconds.
[tex]s= 6 \ m/s\\t=10 \ s[/tex]
Substitute the values into the formula.
[tex]d= 6 \ m/s * 10 \ s[/tex]
Multiply. Note that the seconds, or "s" will cancel out.
[tex]d= 6 \ m * 10[/tex]
[tex]d= 60 \ m[/tex]
The car travels 60 meters.
A fox runs for 12 seconds at a speed of 9.65 m/s. How much distance does it cover?
Answer:
115.8
Explanation:
Answer:
The Distance He Covers Is 115 m/s
Explanation:
Health education provides
A.medical health coverage
B.accurate health information
C.a wellness guarantee
D.none of the above
A car capable of a constant acceleration of 3.72 m/s^2 is stopped at a traffic light. When the light turns green, the car starts from rest with this acceleration. At the very same moment, a truck traveling with constant velocity 13.8 m/s passes the car. As the car’s velocity increases, it will eventually move faster than the truck and later overtake it. How far from the light will the car catch up with the truck?
Explanation:
Let t be the time it takes for the car to catch up with the truck.
Using kinematics equations,
Distance by car = ut + 0.5at² = 0 + 0.5 * 3.72 * t².
Distance by truck = 13.8 * t.
Since these distances have to be equal, we have:
0.5 * 3.72 * t² = 13.8t, 1.86t² = 13.8t, t ≈ 7.42s.
Hence the distance is 13.8 * (7.42) ≈ 102.4m.
1. Two students measure the length of the same object. One reports a length of 3 m, the other reports a
length of 10 m. Has one of them made a mistake? [ yes / no ] How do you know?
Answer:
yes
Explanation:
because they measure the length of the same object
Fossils are dated using radioactive...
a. hydrogen
b. helium
c. carbon
Answer:
carbon
Explanation:
Answer:
fossils are dated using radioactive C. carbon
Explanation:
hope this helps!
The accepted value for the acceleration due to gravity is 9.8 m/s2. What factors do you think are responsible for the difference between your experimental result and the accepted value?
The chart describes four objects experiencing one or more frictional forces. Which statement explains the type of friction acting on each object?
a. The bike has rolling friction, the sled and the motorcycle have sliding friction, and the elephant has static friction.
b. The bike and sled have sliding friction, and the motorcycle and elephant have static friction.
c. The bike has static friction, the sled and elephant have sliding friction, and the motorcycle has rolling friction.
d. The bike and motorcycle have rolling friction, the sled has static friction, and the elephant has sliding friction.
Answer:
A
Explanation:
I took the test
Rolling friction is demonstrated by a ball or wheel rolling across the ground. Sliding friction is the other form of friction. Because just one side of the body is in contact with the surface, there is a restriction on the body's ability to move. Thus, option A is correct.
What explains the type of friction acting on each object?When something is sitting on a surface, static friction affects it. Because sliding friction is less powerful than static friction, moving a piece of furniture over the floor is simpler once it is moving than before.
Friction that occurs when a moving fluid is positioned between two bodies and an object slides along the surface. Rolling When a thing rolls over another surface, friction is created.
Therefore, The bike has rolling friction, the sled, and the motorcycle have sliding friction, and the elephant has static friction.
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Which force requires contact?
A. The force of attraction between two masses
B. The force produced by interactions between electrically charged objects
C. The force exerted by air as an object moves through it
D. The force produced by interactions between magnetic objects
I personally think it’s D but I’m not too sure
Answer:
I think its D too
Explanation:
Answer:
It’s C bruh
Explanation:
Contrast scientific laws with traffic laws or other laws devised by people
Answer:
In a nutshell, a scientific law predicts what happens while other laws devised by people usually proposes why certain things happen.
Explanation:
A scientific law is one that predicts the results of certain initial conditions. In order words, it predicts what will happen when certain conditions are fulfilled. A very good example is Newton's 3 laws of motion where like the third law which says to every action, there is an equal and opposite reaction or like in the first law which says a body at rest will remain at rest unless it is acted upon by an external force.
Whereas, other laws devised by people usually provides the most logical explanation as to why things happen the way they do. For example explaining why some children develop certain peculiar health issues when they are newly born.
In a nutshell, a scientific law predicts what happens while other laws devised by people usually proposes why certain things happen.
Which part of the roller coaster system determines the amount of kinetic energy in the system
Answer:the roller coaster cars
Explanation:
How many chicken feet hatch from 3 dozen eggs? Explain.
Answer: I think it would be 72 because 12x3=36 and then all the chick have 2 feet each so you would multiply t but 2 and that would be 72
Explanation:
You launch a model rocket that has a mass of 2 kg. At a height of 400 m, it is traveling at 150 m/s. What is its kinetic energy at this point? A. 22,500 J O B. 113 J O C. 150 J O D. 45,000 J
Explanation:
KE = ½ mv²
KE = ½ (2 kg) (150 m/s)²
KE = 22,500 J
Answer:
A. 22,500
Explanation:
which one word defines newton’s first law of motion?
Answer: Inertia
Explanation: It's known as the law of inertia, and the entire law has to do with inertia.
Answer: inertia.
Explanation: sometimes referred to as the law of inertia.
A scientist designed a foam container to help keep frozen foods from melting. Which best explains how the foam works? It removes thermal energy from the air inside the container. It removes thermal energy from the frozen foods inside the container. It reduces the amount of thermal energy that is transferred from inside to outside the container. It reduces the amount of thermal energy that is transferred from outside to inside the container.
Answer:
The answer is D
Explanation:
It reduces the amount of thermal energy that is transferred from outside to inside the container.
hope this helps
may i have brainliest pls
The foam reduces the amount of thermal energy that is transferred from outside to inside of the container, which prevents frozen food from melting. Thus, option D is correct.
What is thermal energy?Thermal energy is the energy present in the system that mainly depends on its temperature. Heat is the flow of thermal energy. When temperature increases in the system, the vibration of molecules increases more heat energy is released.
It is also defined as the transfer of heat energy between the systems and also the work done in the transfer of heat. When a substance is changed from one state to another state of matter, heat energy is released.
The material that prevents the heat (thermal energy) passes through them is called a thermal insulator. A foam is considered a good insulator and it is used to prevent frozen food from melting.
Foam is a thermal insulator that prevents heat flow and reduces the amount of thermal energy that is transferred from outside to inside the container.
Hence, the ideal solution is option D.
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Please help mee.
A fisherman casts a lure toward the river at an angle of 25° above the horizontal. The lure reaches a maximum height of 2.9 m above where it was cast.
What is the initial velocity of the lure? Assume that the line exerts no appreciable drag force on the hook.
Answer:
17.84 m/s.
Explanation:
From the question given above, the following data were obtained:
Angle of projection (θ) = 25°
Maximum height (H) reached = 2.9 m
Acceleration due to gravity (g) = 9.8 m/s²
Initial velocity (u) =..?
Thus, we can obtain the initial velocity of the lure as follow:
H = u² sine² θ /2g
2.9 = u² × (sine 25)² / 2×9.8
2.9 = u² × (0.4226)²/19.6
Cross multiply
u² × (0.4226)² = 2.9 × 19.6
u² × (0.4226)² = 56.84
Divide both side by (0.4226)²
u² = 56.84/(0.4226)²
u² = 318.27
Take the square root of both side
u = √318.27
u = 17.84 m/s.
Therefore, the initial velocity of the lure is 17.84 m/s.
How could rescue workers use squeezing or compressing to get energy to their flashlights during rescue missions?
Answer:
Explanation:
During rescue missions, different types of energy can be devices for flashlight, this could be human powered energy such as squeezing or compressing. In flashlight electrical energy is converted to light and thermal energy.
A squeezing or compressing to get energy for flashlight can be regarded as "DYNAMO PROCESS" it involves spinning of "fly wheels" into the flashlight through consistent squeezing ,which is connected to a dynamo(Dynamo supply electrical current). Hence the needed light is seen on the bulb of the flashlight.
A squeeze flashlight or dyno torch is a form of mechanically powered flashlight that produces energy through the rotation of flywheel which then turns a dynamo or generator that powers an attached light emitting diode, LED or incandescent bulb when electric current is generated
Where there is need for artificial light, where direct electric power is not available, such as during a rescue operation, rescue workers can produce illumination by continuously pumping the dyno torch during the mission. The squeezing action causes the flywheel to turn, with the turning made to occur between each squeeze, by the flywheel. The rotational energy from the flywheel turns the generator, which produces steady lighting
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What is the main job of the lungs?
