A 740 kg car traveling 19 m/s comes to a complete stop in 2.0 sec. What is the force exerted on the car during this stop? a. 85 N b. 8500 N c. 7000 N d. 28120 N

A 48.42kg hunter ropes a 167.82 kg sleeping polar bear and pulls the bear towards him until they meet. Originally they are 211.22 m apart on frictionless ice. When the hunter pulls the polar bear to him the hunter will move... a. 52 b. 810 c. 67 d. 160

A 2.0-kg object is pulled horizontally by a force of 6.3 N along the floor where the coefficient of kinetic friction is 0.24. What is the object's acceleration? a. 5.5 m/s? b. 2.0 m/s c. 2.0 m/s? d. 1.6 m/s e. 0.80 m/s?

Suppose a 4.25 slug gymnast is climbing a rope.  a. What is the tension, in the rope, in pounds if he climbs at a constant speed b. What is the tension, in the rope, in pounds, if he accelerates upwards at a rate of 5.9ft/s2

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Starting from a standstill, Abi (mass = 55.00 kg) performs a vertical jump. a.) How much does Abi weigh (in Newtons)?

7. You put a box on a skateboard and give it a quick push with a certain force. It starts to move. After it leaves your hand, it will... * a. Continue at a constant speed forever. O b. Slow down constantly until it stops. c. Speed up constantly forever. d. Speed up for a little while, then go at a constant speed forever. e. Speed up for a little while, go at a constant speed for a while, then slow down to a stop. sheet of oa

A 1000 kg car was travelling at 45m/s when it hit a concrete wall due to drunk driving. Find the average force of impact if the car was put to a complete stop after 0.5 seconds. *   A. 70 000 N B. 95 000 N C. 85 000 N D. 90 000 N E. 80 000 N

An 50kg volleyball player lands from a jump and tries to stop her forward motion. The normal contact force exerted by the floor on her shoes is 2000N. The friction force exerted by the floor on her shoes is 600N acting backward on the player. What is the resultant ground reaction force exerted by the floor on the volleyball player’s shoes?  s. 2088N b. 50kg c. 491N d. 2600N

A 140-gram apple fell from a tree and hit Sir Isaac's head. What is the force exerted by Sir Isaac's head on the apple? A. 9.81 N, upward B. 1.37 N, downward OC. 9.81 N, downward OD. 1.37 N, upward E. ON