Author Question: A heavy truck and a small car roll down a hill at the same speed and need to stop in the same amount ... (Read 72 times)

natalie2426 · **on:** Jul 29, 2018

A heavy truck and a small car roll down a hill at the same speed and need to stop in the same amount of time. Compared with the force to stop the car, the force needed to stop the truck is

A) greater.
B) smaller.
C) the same.

Question 2

When Jean standing on slippery ice catches her leaping dog Daisy, the momentum of both Jean and Daisy after the catch is

A) greater than their combined momentum before the catch.
B) equal to their combined momentum before the catch.
C) somewhat less than their combined momentum before the catch.