Question

A 4.0-kg object moving at 5.0 m/s collides with and sticks to a 3.0-kg object. After the collision the composite object is moving at 2.0 m/s in a direction opposite to the initial direction of motion of the 4.0-kg object. Determine the speed of the 3.0-kg object before the collision.

Name: a 40 kg object moving at 50 ms collides with and sticks to a 30 kg object after the collision the composite object is moving at 20 ms in a direction opposite to the initial direction of moti 53563
Uploaded: 2022-04-09T01:28:15-08:00
Duration: 1 min 40 s
Channel: Karan Soni
Description: a 40 kg object moving at 50 ms collides with and sticks to a 30 kg object after the collision the composite object is moving at 20 ms in a direction opposite to the initial direction of moti 53563

          A 4.0-kg object moving at 5.0 m/s collides with and sticks to a
3.0-kg object. After the collision the composite object is moving
at 2.0 m/s in a direction opposite to the initial direction of
motion of the 4.0-kg object. Determine the speed of the 3.0-kg
object before the collision.

Added by Jaime K.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Karan Soni

04/09/2022

Step 1

Step 1: Apply the conservation of momentum principle: Initial momentum = Final momentum (4 kg)(5 m/s) + (3 kg)(u) = (7 kg)(-2 m/s) 20 + 3u = -14 Show more…

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A 4.0-kg object moving at 5.0 m/s collides with and sticks to a 3.0-kg object. After the collision the composite object is moving at 2.0 m/s in a direction opposite to the initial direction of motion of the 4.0-kg object. Determine the speed of the 3.0-kg object before the collision.