A football player throws a ball from shoulder height (1.6m) with an initial velocity of 25m/s[Right] a. How long is the ball in the air for?

b. How far away should the receiver be (assuming they can catch the ball at ground level)?

================================================================================================= A stone is kicked off the edge of a cliff with an initial velocity of 30m/s[East]. The stone hits the bottom of the cliff 4.30 seconds later. c. How high is the cliff? d. How far from the base of the cliff does the stone land?

=================================================================================================

An arrow is launched from ground level with an initial velocity of 40m/s[Right 30 Up]. a. What is the flight time of the arrow? (4.081632653 s) b. What is the range of the arrow? (141.387755 m) c. What is the max height? (20.408163m) d. When does max height happen? (2.040816327s)

=================================================================================================

The mass of a rifle is 4.6 kg; and the mass of a bullet shot from the rifle is 8.0g. The acceleration of the bullet is 2.0*10^5m/s^2[forward]. a. Find the acceleration of the rifle. ( 350m/s^2[backward]) b. The bullet leaves the rifle with a muzzle velocity of 620 m/s, how long does it take for the bullet to travel the length of the barrel? (0.0031s) c.How far back will the rifle recoil? That is, what horizontal distance will the rifle be forced back as the bullet exits the rifle? (1.7mm[backward])

=================================================================================================

You find yourself stuck in the middle of a frictionless surface and every time you try to take a step you find yourself not moving. a. Use Newton's laws to explain why you do not move. b. All you have with you is a heavy weight in your backpack. How can you use this to move yourself off of the frictionless surface?

=================================================================================================

find V[V],I[A],R[?]in the picture