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Question: The Zacchini family was renowned for their human cannonball act in which a family member was shot from a cannon using either elastic bands or compressed air. In one version of the act, Emanuel Zacchini was shot over three Ferris wheels to land in a net at the same height as the open end of the cannon and at a range of 68 m. He was propelled inside the barrel for 5.7 m and launched at an angle of 50°. If his mass was 81 kg and he underwent constant acceleration inside the barrel,
Part A: What was the magnitude of the force propelling him?
I need help to find the magnitude of the force propelling him and treat the launch as though it were along a ramp at 50°. Neglect air drag.
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A 57 gram tennis ball is served at 45 meters per second. If the ball started from rest what impulse was applied to the ball by the racket
measuring the speed of light michelson in 1926 albert michelson measured the speed of light with a technique similar to
Consider a thick spherical shell of inner radius R/2 and outer radius R. Calculate the total electrostatic potential energy of the thick shell
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