What is defined as anything made up of atoms that has mass and takes up space?

alloys

mixtures

molecules

matter

Block m1 of mass 2m and velocity v0 is traveling to the right (+x) and makes an elastic head-on collision with block m2 of mass m and velocity - 2v0 (i. e., traveling to the left). What is the velocity v1′ of block m1 after the collision?

Which of the following mechanical waves has the most energy A B C D

A teacher is demonstrating energy transformation with a basketball. He drops the ball from a fixed height and challenges his students to predict the height that the ball will bounce.

A stone is dropped from a height 1.8m. What will be it's velocity when it reaches the ground?

Yosef applies an input force of 50 N to a crowbar. The crowbar applies a force of 750 N to the lid of a crate. What is the mechanical advantage of the crowbar? The mechanical advantage of the crowbar is .

What role do volcanoes play in the flow of energy and cycling of matter on earth?

How does uniform linear motion differ from uniform circular motion?

A metal underground water pipe that is in direct contact with the Earth for? or more is a code-recognized as a grounding electrode and must be included in the grounding electrode system.

Bob has been Springfield's top meteorologist for ten years. He received data from satellite imaging and computer models that a huge storm system is headed Springfield's way.

A person runs off a cliff into a lake below. If the person leaves the cliff without a horizontal velocity of 4m/s, how far way from the cliff does he land is the cliff is 17m high?