1.
A 2 kg toy car moves at a speed of 5 m/s.
a. What is the kinetic energy of the car?
b. If a child applies a 3 N force for 2 m in the same direction the car is already moving, how much work is
done on the car?
c. What is the change in the car's kinetic energy from the applied force?
d. What is the final kinetic energy of the car?
e. What is the velocity of the car after the child applies the 3 N force?
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