subject
Physics, 22.05.2020 02:58 ddea4081

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?

ansver
Answers: 1

Another question on Physics

question
Physics, 22.06.2019 13:00
Avoltaic cell converts chemical energy to
Answers: 1
question
Physics, 22.06.2019 16:50
Abird flies directly overhead from where you stand at an altitude of 300.0 m and at a speed horizontal to the ground of 20.0 m/s. the bird has a mass of 2.0 kg. the radius vector to the bird makes an angle \thetaθ with respect to the ground. the radius vector to the bird and its momentum vector lie in the xyxy-plane. what is the bird’s angular momentum about the point where you are standing?
Answers: 2
question
Physics, 22.06.2019 17:30
Which of the following types of electromagnetic radiation has the longest wavelength? a. infrared light b. visible light c. ultraviolet light d. microwaves
Answers: 2
question
Physics, 22.06.2019 18:50
An insulated thermos contains 148 g of water at 72.7 ˚c. you put in a 11.7 g ice cube at 0.00 ˚c to form a system of ice + original water. the specific heat of liquid water is 4190 j/kg•k; and the heat of fusion of water is 333 kj/kg. what is the net entropy change of the system from then until the system reaches the final (equilibrium) temperature?
Answers: 2
You know the right answer?
2 kg toy car moves at a speed of 5 m/s.
a. What is the kinetic energy of the car?
b. If...
Questions
Questions on the website: 13722359