A 50.0 kg pole vaulter running at 10.0 m/s vaults over the bar. If the vaulter’s velocity over the bar is 1.0 m/s and air resistance is disregarded, how high was the jump?

Examine the nuclear reacti why is this classified as a nuclear reaction rather than a chemical reaction? it is not balanced. a new compound is formed. a change has occurred in a nucleus. a new element has been formed.

If a substance is in the gas phase, which of qualities of the gas will stay constant? a: volume b: mass c: shape d: position of particles

Ascientific blank must be testable and capable of being proven false?