How does cycling if matter occur in earths mantle

When a car accelerates gradually (no squealing tires), is the friction between tires and road kinetic or static? When a car accelerates gradually (no squealing tires), is the friction between tires and road kinetic or static?

In an inelastic collision where does the kinetic energy lost from the objects go? What kind of energy does the kinetic energy turn into?

What are the two types of simple machines in a corkscrew

How many categories of hurricanes are there

what change occurs when a material changes shape or size but the composition of the material does not change

Describe the Dark Ages of our universe.

Two boxes, P and Q, are at rest on a frictionless horizontal surface. A light, flexible cord connects them. The mass of P is greater than the mass of Q.

Determine the velocity of a beam of electrons that goes undeflected when moving perpendicular to an electric and magnetic field. The electric field and the magnetic field are also perpendicular to each other and have magnitudes 7.7 x 10^3 V/m and 7.

What is the electric potential of a 2.2 µC charge at a distance of 6.3 m from the charge? Recall that Coulomb's constant is k = 8.99 * 109 N • ___ V What is the electric potential at a distance of 99 m from the charge?___ V

what is a possible unit for the product VI, where V is the potential difference across a resistor and I is the current through the same resistor?