John has an object suspended in the air. it has a mass of 50 kilograms and is 50 meters above the ground. calculate the objects potential energy

Which describes what happens when fuel is ignited in a heat engine? A. Chemical energy is converted into thermal energy B. Thermal energy is converted into solar energy. C. Solar energy is converted into chemical energy D.

A 1kg block is pushed with an external force of 20 newtons then slows to rest after moving 3M if the coefficient of friction between the block and the table is. 5 what is the total work done by the block?

An electrically neutral atom has the same # of protons and electrons true or false?

John pushes forward on a car with a force of 125n while bob pushes backward on the car with a force of 225n. what is the net force on the car

What is the difference between a distance time graph and a speed time graph?

Tracy scuffs her socked feet across a carpet. When she touches a doorknob, she gets a small shock. How did Tracy become charged?

An object is thrown vertically upward with an initial velocity of 50 m/s. Find a) the maximum height reached by the object. b) the time taken to reach this height. (neglect the effect of air resistance).

Rounded to the nearest whole number what is the atomic mass of platinum?

John has an object suspended in the air. it has a mass of 50 kilograms and is 50 meters above the ground. calculate the objects potential energy

Explain the electromagnetic spectrum. Give examples