A 2.0 kg block slides 6.0 meters across a horizontal, frictionless surface until

Question

A 2.0 kg block slides 6.0 meters across a horizontal, frictionless surface until it collides with and sticks to a 3.0kg block. The two blocks slide together 5.0 meters across the horizontal, frictionless surface before sliding up a frictionless ramp that is inclined at an angle of 10.0 degrees. The blocks come to rest after sliding a distance of 4.0 m along the ramp.

a. What is the speed of the two blocks after collision?

b. What is the speed of the 2.0 kg block before the collision?

c. Determine the percentage of mechanical energy lost between the initial state and final state?

A 2.0 kg block slides 6.0 meters across a horizontal, frictionless surface until it collides with and sticks to a 3.0kg block. The two blocks slide together 5.0 meters across the horizontal, frictionless surface before sliding up a frictionless ramp that is inclined at an angle of 10.0 degrees. The blocks come to rest after sliding a distance of 4.0 m along the ramp. a. What is the speed of the two blocks after collision? b. What is the speed of the 2.0 kg block before the collision? c. Determine the percentage of mechanical energy lost between the initial state and final state?

Explanation / Answer

a) after the collision ,

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