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Fig. below shows two ice hockey players chasing after the puck. The player wearing 4 number shirt pushes the player wearing 2 number shirt with his stick. The size of the push is 400 N and it lasts for 0.4 s. How fast are the players moving after the push?
Updated Wed, 28 Aug 2019 02:02 pm


A body of mass 4 kg lying on a rough plane inclined at \(30^\circ\) to the horizontal has an acceleration of 2 ms\(^{-2}\) when pulled directly up the plane by a force of 6 kg wt. Calculate its acceleration when a force of 6 kg wt. Calculate its acceleration when a force of 3 kg wt is applied down the plane. Given : g = 10 ms\(^{-2}\).
Updated Wed, 28 Aug 2019 10:44 am