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Pam, wearing a rocket pack, stands on frictionless ice. She has a mass of 45 kg. The rocket supplies a constant force for 22.0 m, and Pam acquires a speed of 62.0 m/s.
1. What is Pam’s final kinetic energy?
2. What is the magnitude of the force?
A certain groove in a phonograph record moves past the needleat 30 cm/s. If the wiggles in the groove are 0.1 mm apart, what is the frequency of the sound that is produced
Two identical batteries, A and B, each have an emf of 1.5 V. The positive terminal of battery A is connected via a 10 cm long piece of copper wire, 0.50 mm in diameter, to one plate of a capacitor. The negative terminal is connected by an identica..
you shoot a ball of mass 50g into a pendulum arm of mass 200g whose center of mass rises 15cm. calculate the initial
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A statue is found in an Archaelogical dig. Its weight is measured to be 96 lb and its volume 0.08ft3. What is the statues weight density
A thin layer of fluid to be identified by its index of refraction is poured into a very shallow container. what are the possible values for the index of refraction
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