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A bowling ball weighing 70.1N is attached to the ceiling by arope of length 3.70m. The ball is pulled to one side and released,it then swings back and forth as a pendulum. as the rope swingsthrough the vertical, the speed of the bowling ball is4.50m/s.
a) What is the acceleration of the bowling ball, in madnitudeand direction, at this instant?
b) What is the tension in the rope at this instant?
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Like all stars, our sun converts mass into energy which radiates (spherically) in all directions, Calculate the rate at which the sun is losing mass
Coherent light with wavelength 595 nm passes by two very narrow slits, and the interference pattern is observed on a screen a distance of 3.00 {rm m} from the slits. The first-order bright fringe is a distance of 4.84 {rm mm} from the center of th..
A rock is thrown from the roof of a building with a velocity vo and an angle of alpha(o) from the horizontal, Calculate the magnitude of the velocity of the rock just before it strikes the ground
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