Jill 60kg is swinging on a rope swing that is 4m long at
Jill ( 60kg) is swinging on a rope swing that is 4m long, at what frequency does Jill need to pump her legs to get the swing going higher?
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a ladder leans against a wall making a 550deg angle to the floor the ladder is 450 m long and weighs 415 n the wall is
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a piano string with mass density 7700 kgm3 and diameter 03 mm is stretched over a pulley such that its vibrating length
a rock is suspended from a scale reads 200 n a beaker of water having a density of 1000 kgm3 is raised up so the rock
jill 60kg is swinging on a rope swing that is 4m long at what frequency does jill need to pump her legs to get the
find the magnitude of the gravitational force a 639 kg person would experience while standing on the surface of earth
a satellite moves in a circular orbit around the earth at a speed of 61 kms determine the satellitersquos altitude
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the period of the earth around the sun is 1 year and its distance is 150 million km from the sun an asteroid in a
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