What is the direction of the force that acts on clothes in the spin cycle of washing machine? A. down B. outward C. Up D. inward

What is matter? A: matter is anything that is made of atoms and that has mass. B: matter is a compound. C: matter is an element. D: matter is anything that is made of organic substances and is found on the earth.

How is a badminton game won

You drop a ball from a window on an upper floor of a building and it is caught by a friend on the ground when the ball is moving with speed vf.

To escape Earth's gravitational pull, an object mush reach a speed of 11,180 meters per second. how fast is this kilometers per second

What are the factors affect the vapor pressure of a liquid?

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).

In a laser, electrical energy is changed to light energy, and a small amount of the energy is wasted as heat. Describe the total amount of the heat in the system (using the conservation of energy).

What is the name for a star and planets held together by gravity? A. solar system B. galaxy C. black hole D. supernova