A ball with a mass of 1.2 kg is thrown upward. What is the height of the ball when it has a potential energy of 42 J?
O35 m
O50.4 m
O 0.29 m
O 3.5 m
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What is the magnification of a real image if the image is 10.0 cm from a mirror and the object is 50.0 cm from the mirror ? use the equation m=-di/do. a. -5.0 b. 5.0 c. 0.20 d. -0.20

Which is not one of the major climate zones? question 3 options: rain forest polar tropical temperate

Will give brainliest! jay rides his 2.0-kg skateboard. he is moving at speed 5.8 m/s when he pushes off the board and continues to move forward in the air at 5.4 m/s. the board now goes forward at 13 m/s. a. determine jay’s mass. b. determine the change in the internal energy of the system during this process.(express your answer to two significant figures and include the appropriate units.)