mass choose the correct answer for each question N/m)x. The Wh po u a strai unde

Question

mass choose the correct answer for each question N/m)x. The Wh po u a strai under as frictionless shown. on identical shown in a pto A kg block is in contact a block a horizontal magnitude the figure. The with 4.00-kg on o N force of the s being by borizontal force that the 6.00-kg block exerts on the 4.00-kg block? 20.0 4.00 A) 6.00 N B) 20.0 N C) 8.00 N D) 4.00 N E) 10.0 N Question 2: pty You step on the brakes of your car. The car skids a certain distance you had (1.25 would the car have skidded, been traveling twice as fast what A) It would have skidded 4 times farther. B) It would have skidded 2 times farther. C) It would have skidded 2 times farther. D) It would have skidded 1/V2 times farther. E) It would have skidded 1/2 as far 3: (1.25 pt) mass of 3.0 kg is subject to a force F(x)-8.0 N (4.0 is zero at 0. What is the potential energy of the mass at 2.0 m? A) 4.0 J B) 0.0 J C) 8.0 J 8.0 J the wall to 12.0 m/s away from the wall. If the time the ball was in contact with the wall was magnitude of the average force applied to the ball? A) 40.0 N B) 107 N C) 16.7 N D) 26.7 N E) 13.3 N

Explanation / Answer

1-B

2-B

3-C

4-D

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