A 20 kg mass moves with a speed of 50 ms it collideshead-on
A 2.0 kg mass moves with a speed of 5.0 m/s. It collideshead-on with a 3.0 kg mass at rest. If the collisionis perfectly inelastic, what is the speed of the masses after the collision?
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a string of mass 2 g and length of 10 m has a tension of 15 npulling it what is the speed of a wave for this
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a 20 kg mass moves with a speed of 50 ms it collideshead-on with a 30 kg mass at rest if the collisionis perfectly
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