Which type of mechanical energy do the following contain? Kinetic Energy, Potential Energy, or Both

A Car traveling at 100 mph along a flat road - KE
A rubber band that has been stretched - PE
A bowling ball rolling down a lane - both
A piano lifted to a second story window - PE
A snowboarder jumping off a ramp - both
An Airplane traveling at 30000 feet & at a speed of 450mph - both

2 answers

Kinetic
Potential
Kinetic
Potential
Kinetic
Kinetic
kinetic energy
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