Author Question: A car moving initially with velocity v0 with deceleration a comes to a full stop after traveling a ... (Read 56 times)

cagreen833 · **on:** Jul 29, 2018

A car moving initially with velocity v0 with deceleration a comes to a full stop after traveling a distance d. We can say that the velocity of the car after traveling a distance d/2 is

A) greater than v0/2.
B) equal than v0/2.
C) smaller than v0/2.
D) has no relationship to v0.

Question 2

Two men, Joel and Jerry, push against a wall. Jerry stops after 10 min, while Joel is able to push for 5.0 min longer. Compare the work they do.

A) Both men do positive work, but Joel does 75 more work than Jerry.
B) Both men do positive work, but Joel does 50 more work than Jerry.
C) Both men do positive work, but Jerry does 50 more work than Joel.
D) Both men do positive work, but Joel does 25 more work than Jerry.
E) Neither of them does any work.