Why is the solar cycle said to have a period of 22 years, even though the sunspot cycle is only 11 years long?

A ball rolls off the edge of a horizontal roof at 10 m/s. 2 seconds later, the speed of the ball will be? a. 10 m/s b. 19.6m/s c. 29.6 m/s d. 22 m/s ... ?

Which state has particles that are the closest together? A. Liquid B. Plasma C. Gas D. Solid

What is earths gravitational pull

When a generator rotates a coil of wire in a magnetic field, which of the following is produced? magnetic domain magnetic pole electric field electric current

A homing pigeon starts from rest and accelerates uniformly at + 4.00 m/s squared for 10.0 seconds. What is its velocity after the acceleration?

Why does momentum have a direction?

What is the difference between weight and mass?

An object has a mass of 8.00 kg. What is the gravitational force on the object by the earth?

Which of the following best characterizes the free energy change ΔG for an endothermic reaction under physiological conditions? A. The sign of ΔG is positive B. The sign of ΔG is zero C. The sign of ΔG is negative D.

In a recent hockey game, one player (m=100kg) was moving at a velocity of 8 m/s when he ran into another player (m=300kg) who was at rest (v=0m/s). After the collision, the two players were stuck together (moving with the same velocity).