1 162 6 N 3 42 7 N 34 A block is projected with speed 20 m s

Last updated: 6/2/2023

1 162 6 N 3 42 7 N 34 A block is projected with speed 20 m s on a rough horizontal surface The coefficient of friction between the surfaces varies with time t as shown in figure The speed of body at the end of 4 second 0 0 5 0 3 1 2 m s 72 m s To 2 89 7 N 4 95 2 N 2 4 t s 2 5 m s 4 9 5 m s 09 tim a smooth inclined plane o and height h If same b rough inclined plane of s and same height and tak value then coefficient t inclined plane is 1 1 n tan 0 3 1 n tan 0 39 If acceleration of acceleration of B applied by B on