Simon puts new batteries in his radio-controlled car and its controller. He activates the controller, which sends a radio signal to the car. The car moves forward. Name at least three energy transformations that occurred.

You cool a hot piece of iron by dropping it in cool water. Which statement incorrectly describes what is happening?

The law of conservation of momentum states that the total momentum of interacting objects does not This means the total momentum a collision or explosion is equal to the total momentum a collision or explosion.

Where is parallel circuits used?

The effects of agriculture and industry can be more harmful with the further loss of wetlands.

How many Joules of heat would be required to heat 0.5 kg of aluminum by 2K? A) 300 J B) 450 J C) 900 J D) 1800 J

Physical science unit 4 lesson 10

Your shopping cart has mass of 65 kg. In order of accelerate the shopping cart down an aisle at 0.3 m/sec^2, what force would you need to use or apply to the cart?

What are the requirements of a practical fuel

A woman holds a book by placing it between her hands such that she presses at right angles to the front and back covers. The book has a mass of m = 1.7 kg and the coefficient of static friction between her hand and the book is μs = 0.52.

Tony has a mass of 50 kg, and his friend Sam has a mass of 45 kg. Assume that both friends push off on their rollerblades with the same force. Explain which boy will have greater acceleration.