2 years ago

A tennis ball travelling at a speed of 46m/s with a mass of 58kg. Calculate the kineticenergy

Physics

1 answer:

Zanzabum2 years ago

7 0

Answer:

its 1/2 the mass of the object times by its velocity ^ 2

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A toy cart is pulled a distance of 6.00 m in a straight line across the floor. The force pulling the cart has a magnitude of 20.

aivan3 [116]

Answer:

W = 95.8J

Explanation:

Given

S = 6.00m

F =20.0N

Theta = 37°

W = FSCos(theta)

W = 20×6.0×Cos(37)

W = 95.8J

8 0

2 years ago

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A 1,700 kg car is being used to give a 1,400 kg car a push start by exerting a force of

Gwar [14]

Answer:

- 670 kg.m/s

Explanation:

Newton's third law states that to every action, there is equal and opposite reaction force. Since the force will be same but different in direction and acted in the same time then the impulses ( force multiply by time) of the two car be same in magnitude but different in direction - 670 kg.m/s

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3 years ago

Using the definition of moment of inertia, calculate icm, the moment of inertia about the center of mass, for this object.

Step2247 [10]

The masses have no inertia about their own CM, and "the object" is the two masses. 
1. Icm (at point A) = 2mr^2
hope this helps

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2 years ago

An observer (O) spots a plane (P) taking off from a local airport and flying at a 29° angle horizontal to her line of sight and

nikklg [1K]

B. 10,824 feet
is the right answer
tan 26 = 6000/x
x = 10824 ft

7 0

3 years ago