A battery-operated car moves forward as a result of which device? Electromagnet, generator, motor, or a transformer?

A puppy has 245 J of KE. It has a velocity of 7 m/s. What is it's mass?

two 2.5 kg balls move away from each other one traveling 3 m/s to the right the other 4 m/s to the left what is the magnitude of the total momentum of the system? answer in units

Water in the oceans may become fresh water available to humans through the processes of

The function of a capacitor in an electric circuit is to A. allow current flow between its plates. B. store electric charges. C. increase circuit power. D. measure the amount of current in the circuit.

Calculate how long it eould take a car to travel 1600 m at an average speed of 26.4m/s

You push a 45 kg wooden box across a wooden floor at a constant speed of 1.0 m/s. The coefficient of kinetic friction is 0.25. Now you double the force on the box. How long would it take for the velocity of the crate to double to 2.0 m/s

What is the middle layer of earth called

If 10 calories of energy are added to 2 grams of ice at - 30° C, calculate the final temperature of the ice. (Notice that the specific heat of ice is different from that of water.) T. F = -20° C -30° C 30° C 40° C

Are microwaves and radio waves faster or slower than other types of electromagnetic energy?

Write 5 sentences on the importance of including vegetables in your diet.