2. Three bodies A, B and C are connected by two cords as shown so that all three bodies move with the same acceleration. The pulley is assumed to be weightless and frictionless. Body A weighs 36 Ib., B weighs 60 lb. and C weighs 300 lb. The coefficient of kinetic friction for A and the plane is 0.30 and for B and the plane 0.25. Find: d. The acceleration of the bodies, a. e. The tension T1 in the cord between A and B. f. The tension T2 in the cord between B and C. Amed direction of metion Aasumed diwtion of motien A 100 Ka ble od up a clono by on oloctric or oc ch oun Dotormino tho po uor

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Please help me Answer this 3 problems and show the solution and formula for each indicated problems thankyou. 1. Three bodies A, B and C are connected by two cords as shown so that all three bodies move with the same acceleration. The pulley is assumed to be weightless and frictionless. Body A weighs 36 lb., B weighs 60 lb. and C weighs 300 lb. The coefficient of kinetic friction for A and the plane is 0.30 and for B and the plane 0.25. Find: d. The acceleration of the bodies, a. e. The tension T1 in the cord between A and B. f. The tension T2 in the cord between B and C. 2. A 100-Kg block is being pulled up a slope by an electric motor as shown. Determine the power required to move the the block at a constant speed of 1.5 m/s. The coefficient of friction between the block and the inclined surface is 0.30. 3. A pitcher throws a fast ball that is moving at a speed of 80 mph. The batter hits the ball in the direction shown. The ball leaves the bat at a speed of 190 mph. If the bat and the ball are in contact for 0.030 seconds, determine the average impulse force exerted on the ball by the batter during the impact. The ball weighs 0.40 lbs.
2. Three bodies A, B and C are connected by two cords as shown so that all three bodies
move with the same acceleration. The pulley is assumed to be weightless and
frictionless. Body A weighs 36 Ib., B weighs 60 lb.
and C weighs 300 Ib. The coefficient of kinetic
friction for A and the plane is 0.30 and for B and
the plane 0.25. Find:
d. The acceleration of the bodies, a.
Assumed
direction of
metion.
e. The tension T1 in the cord between A and B.
f. The tension T2 in the cord between B and C.
Assumed
direction of
motion
3. A 100-Kg block is being pulled up a slope by an electric motor as shown. Determine the power
required to move the the block at a constant speed of 1.5 m/s. The coefficient of friction
between the block and the inclined surface is 0.30.
4. A pitcher throws a fast ball that is moving at a speed of
80 mph. The batter hits the ball in the direction shown.
The ball leaves the bat at a speed of 190 mph. If the bat
and the ball are in contact for 0.030 seconds, determine
190 mph
80 mph
35°
the average impulse force exerted on the ball by the
batter during the impact. The ball weighs 0.40 lbs.
Transcribed Image Text:2. Three bodies A, B and C are connected by two cords as shown so that all three bodies move with the same acceleration. The pulley is assumed to be weightless and frictionless. Body A weighs 36 Ib., B weighs 60 lb. and C weighs 300 Ib. The coefficient of kinetic friction for A and the plane is 0.30 and for B and the plane 0.25. Find: d. The acceleration of the bodies, a. Assumed direction of metion. e. The tension T1 in the cord between A and B. f. The tension T2 in the cord between B and C. Assumed direction of motion 3. A 100-Kg block is being pulled up a slope by an electric motor as shown. Determine the power required to move the the block at a constant speed of 1.5 m/s. The coefficient of friction between the block and the inclined surface is 0.30. 4. A pitcher throws a fast ball that is moving at a speed of 80 mph. The batter hits the ball in the direction shown. The ball leaves the bat at a speed of 190 mph. If the bat and the ball are in contact for 0.030 seconds, determine 190 mph 80 mph 35° the average impulse force exerted on the ball by the batter during the impact. The ball weighs 0.40 lbs.
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