A 5500-kg freight truck accelerates from 4.2 m/s to 7.8 m/s in 15.0 s by the application of a constant force. What change in momentum occurs?

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May 5, 2018

Answer:

Change in momentum is #19800# #kg.m/s#

Explanation:

As initial velocity is #4.2m/s# and final velocity is #7.8m/s#

Initial momentum is #5500xx4.2=23100# #kg.m/s# and

final momentum is #5500xx7.8=42900# #kg.m/s#

#:.# Change in momentum is #42900-23100=19800# #kg.m/s#

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