Question

A crate full of fruit is sliding at a constant velocity, down an incline that is 17^o above the horizontal. The coefficient of kinetic friction is 0.306. Determine the net force acting on the crate.

1. 301 N

2. 0

3. 1298 N

4. 441 N

5. There is not enough information to answer this question.

An arrow is shot horizontally from a height of 4.9 m above the ground.  The initial speed of the arrow is 45 m/s. the arrow took one second to hit the ground.

Determine the magnitude of the acceleration of the arrow the instant before it hits the ground (the arrow from the previous problem).

1. 9.81 m/s2

2. 23.1 m/s

3. 46.1 m/s

4. 4.905 m/s2

5. There is not enough information given to solve this problem.

Answer 1