Question

A 7500-kg boxcar traveling at 12 m/s strikes a second boxcar at rest. The two stick together and move off with a speed of 5.5 m/s Part A What is the mass of the second car? Express your answer to two significant figures and include the appropriate units.

          A 7500-kg boxcar traveling at 12 m/s strikes a second boxcar at rest. The two stick together and move off with a speed of 5.5 m/s
Part A
What is the mass of the second car?
Express your answer to two significant figures and include the appropriate units.

A 7500-kg boxcar traveling at 12 m/s strikes a second boxcar at rest. The two stick together and move off with a speed of 5.5 m/s
Part A
What is the mass of the second car?
Express your answer to two significant figures and include the appropriate units.

Added by Joan C.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Pranay Shrivastava

12/24/2021

Step 1

The equation for the conservation of momentum is: \(m_1v_1 + m_2v_2 = (m_1 + m_2)v_f\) Where: \(m_1\) = mass of the first boxcar \(v_1\) = initial velocity of the first boxcar \(m_2\) = mass of the second boxcar \(v_2\) = initial velocity of the second Show more…

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1012 viwCoostants A 7500-kg boxcar traveling at 12 m/s strikes a second boxcar at rest. The two stick together and move off with a speed of 5.5 m/s. Part A What is the mass of the second car? Express your answer to two significant figures and include the appropriate units. Value Submit Previous Answers Request Answer Incorrect Try Again One attempt remaining