A racing car has a mass of 1510 kg. The acceleration of gravity is 9.8 m/s2.
What is its kinetic energy if it has a speed
of 126 km/h?
Answer in units of J.

Frost wedging occurs when water seeps into a crack in a rock, freezes, and causes the crack in the rock to widen. t or f

Which accounts for an increase in the temperature of a gas that is kept a constant volume

Large electric fields in cell membranes cause ions to move through the cell wall. the field strength in a typical membrane is 1.0 x 10 7 n/c. what is the magnitude of the force on a calcium ion with charge +e? what is its acceleration? is it possible for a particle with the same charge as as calcium to have a different acceleration if placed at this location? what would change the acceleration: mass of the particle? diameter of the particle?