Velocity vs. Time for a Cart
20
15
10
5
Velocity (m/s)
0
-5
-10
-15
-20
0 1 2 3 4 5 6 7
Time (s)
What is the magnitude of the change in the momentum of the cart from t=0 to
t=3 seconds?
A. 20 N-S
B. 30 N-s
C. 60 N-S
D. 80 N-S
Atruck with 34-in.-diameter wheels is traveling at 55 mi/h. find the angular speed of the wheels in rad/min, *hint convert miles to inches & hours to minutes:
Your friend increases her force on the desk by 30n . she doesn't change the direction of her push . what happens to the net force on the desk .will the desk accelerate
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