1. If a vehicle slows from 83 mph to 24 mph in 8.3 sec, what is its acceleration in ?

2. If a vehicle accelerates from 20 mph to 74 mph in 8.9 sec, what is its acceleration in ?

3. How much power in watts in required to raise 117pounds, 20 feet in 4.8 seconds?

calculate answer to one decimal place.

4. What force must be applied to roll a 145 -pound barrel up an inclined plane 43 feet long to a height of 7 feet (disregard friction)?

Calculate your answer to one decimal place.

5. How muchforce would be required to roll a barrel weighing 353 pounds up a ramp 27.8 feet long and 3.5 feet high?

6. Calculate the centripetal force of an object weighing 23 pounds traveling in a circular path with a radius of 8 feet while moving at a velocity of 623 ft. per sec.

acceleration due to gravity is 32.2 ft./sec²