If he pushes the ball it will swing back harder hitting him in the face. if he does not push it the airs force will slow it down to where he will be out of reach of the ball.
Answer:
W = 181.26 J
Explanation:
Given that,
The force acting on the cart, F = 20 N
It is at an angle of 25 degrees above the horizontal to move a crate a distance of 10m across the floor.
We need to find work done by the student. The work done by the student is given by :
So, the required work done is 181.26 J.
Kepler based his laws of planetary motions off of Newton’s law of gravity.
Kai was 200 meters north of the library when he remembered he had to return some books to the library. It took him 200 seconds to do the round trip.
Answer
His speed was 2 m/s, and his velocity was 0.
An area where the particles in a medium are spaced close together is called compression.