1) What is a x the x-component of the objects acceleration? a) 0.67 m/s^2 b) 2.32 m/s^2 c) 8.36 m/s^2 d) 0.54 m/s^2 2) What is the force of the pitcher's hand on the 0.145 ball during this acceleration phase? a) 220 N b) 96 N c) 85N d) 120N 3) What was the tension in the cable when the craft was being lowered to the seafloor? a) 8300N b) 4700N c) 1250N 4) What was the tension in the cable when the craft was being raised from the seafloor? a) 8300N b) 4700N c) 1250N 5) An astronaut lifts off in a rocket from the surface of the moon, where g = 1.6 m/s^2. What vertical acceleration should his rocket have so that his apparent weight is equal to his true weight on earth? a) 6.32 m/s^2 b) 9.8 m/s^2 c) 8.21m/s^2 6) What is the tension in rope 1, the rope that the rescuer pulls on? a) 190N b) 65N c) 540N

1403 Chapter5

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