Acceleration involves a change in speed or what?

While skiing, Sam flies down a hill and hits a jump. He has a mass of 75 kg, and he leaves the jump at 18 m/s. What is his momentum as he leaves the jump?

What is the meaning of the saying "the power of a lens is 1 dioptre"

A water heater that has the shape of a right cylindrical tank with a radius of 1 foot and a height of 4 feet is being drained. how fast is the water draining out of the tank in cubic feet / minute if the water level is dropping at 6 inches/min?

How does the doppler effect affect the velocity from a sourse that is approaching you?

Do the atoms in salt follow a pattern? Explain your answer

Which formula is used to calculate the mass of an object if the force and acceleration are known? a: m = Fa b: m = F/a c: m = a/F d: m = F - a

The circulatory system keeps the body and its tissues continuously oxygenated. It does this by having A) veins to carry both oxygenated blood to the tissues and deoxygenated blood to the lungs.

What is the "atomic mass" of an atom?

What type of energy comes from the food that we eat?

Which of the following are vector quantities? check all that apply. a. time b. displacement c. force d. mass