A charge of 70 A ·h (ampere-hours) moves through a poten - difference of 25 V. What are (a) the charge in coulombs and (b) the magnitude of the change in the potential energy of the charge?

Bob is driving the getaway car after the big bank robbery. He's going 50 m/s when his headlights suddenly reveal a nail strip that the cops have placed across the road 120 m in front of him.

The law of conservation of mass states that if matter is destroyed on one side of the equation, other matter must be created on the other side. true false

Predict which will fall to the ground faster a crumpled paper or flat sheet of paper

If force remains constant and acceleration decreases what must happen to the mass

The magnitude of the electric force between two protons is 2.30 10-26 n. how far apart are they?

Two main pieces of evidence support the big bang theory and the idea that our universe is continually expanding: Doppler shift and cosmic background radiation. Explain how these phenomena provide evidence of the expansion of the universe.

How was bohr atomic model similar to Rutherford's model

A rigid container filled with a gas is placed in ice. What will happen to the pressure of the gas? And what will happen to the volume?

A man is sitting on a 20 m height building and his mass is 50 kg. Calculate the mechanical energy.

Which of the following correctly describes which types of waves travel through which types of mediums? A) Transverse waves travel through solids, liquids, and gases.