A block of mass 2 kg is pushed by a horizontal force of 2.5 N on a floor. ... A block of mass 2 kg is placed at the top of a 6.4 m long plane inclined at an angle of 30 degree with horizontal.How much time will the block take to reach the bottom if the coefficient of kinetic friction is 0.2 ?
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a = 0.2 x 2kg x 10m/s^2 x √3/2 = 2.82m/s^2
S = ut + 1/2at^2
6.4 = 1/2 x 2.82 x t^2
t = 4.52 seconds
S = ut + 1/2at^2
6.4 = 1/2 x 2.82 x t^2
t = 4.52 seconds
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