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labwork [276]
4 years ago
7

The two identical trucks are traveling in opposite directions, and truck B is carrying a heavy load. (a) Will the magnitude of t

he force exerted on truck A by truck B be greater than, less than, or equal to the magnitude of the force exerted on truck B by truck A
Physics
1 answer:
Dmitry [639]4 years ago
6 0

Answer:

The force exerted on truck A by truck B will definitely be greater than the magnitude of the force exerted on truck B by truck A

Explanation:

According to the concept of momentum

Momentum is the product of a body's mass and its velocity.

Yes both trucks are the same, but truck B is carrying a heavy load which gives it more momentum that A, actually momentum is a function of mass

Momentum M=mass(m) x velocity (v)

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At the same moment, one rock is dropped and one is thrown downward with an initial velocity of 29m/s from the top of a building
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Answer:

The thrown rock strike 2.42 seconds earlier.

Explanation:

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\frac{1}{2}(9.8)*t^2+29*t-300=0

for the dropped rock

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the thrown rock arrives on t=5.4 sec

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so the thrown rock arrives 2.42 seconds earlier (7.82-5.4=2.42)

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