What determines the properties of elements?

What is the speed of an object at rest

Sarah heated two cubes of aluminum to 50°C. Cube A has a volume of four cubic centimeters. Cube B has a volume of two cubic centimeters.

An object takes 5s to reach the ground from a hight of 5m on planet. what is the value of g on planet?

Locomotor movement applies to which of the following motions running squatting bending twisting

A particle moves in the xy plane with constant acceleration. At time zero, the particle is at x = 6 m, y = 8.5 m, and has velocity ~vo = (9 m/s) ˆı + (-2.5 m/s) ˆ. The acceleration is given by ~a = (4.5 m/s 2) ˆı + (3 m/s 2) ˆ.

A machine with a mechanical advantage of 10 is used to produce an output force of 250 newtons. What input force is applied to this machine

Why do you float in space

How does physical change affect the identity of a substance

A scientist pours grape juice on three identical white shirts He then uses three different cleaning products on the shirts and measures how clean they get what is the independent variable in this experiment

What part of the atom does nuclear radiation come from?