Direction of the friction force that acts on the bullet

Reference no: EM13652985

1) A rifle bullet with a mass of 12.0g traveling toward the rightat 260 m/s strikes a large bag of sand and penetrates it to adeapth of 23.0 cm . Determine the magnitude and direction of the friction force that acts on the bullet.

2) Two blocks connected by a rope of negligible mass arebeing dragged by a horizontal force . Suppose F = 68.0 N, M1 = 12.0kg, M2 = 18.0 kg and the coefficient of the kinetic frictionbetween each block and the surface is 0.100. (a) Draw a freebody diagram for each of the . Determine (b) the acceleration of the system and (c) the tension T in the rope.

3) The gravitational force exerted on baseball is 2.21N down.A pitcher throws the ball horizontally with a velocity 18.0 m/s byuniformly acceleration it along a straight horizontal line for atime interval of 170 ms. The ball starts from a rest . (a) Throughwhat distance does it move before it was release ? (b) what are the magnitude and the direction of the force the pitcher exerts on the ball ?

Reference no: EM13652985

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