A 0.15 kg ball is thrown upward and reaches a height of 7 m. What will its KE
be when it falls back down, just before it hits the ground?
A. 1.1J
B. 1.5 J
C. 10.3 J
D. 15 J

Argon is adiabatically compressed from an initial volume of 16 liters to a final volume of 2 liters. by what factor do the following quantities change? do they increase or decrease? (a) the rms speed (b) the thermal energy of the gas (c) the molar specific heat cv (d) the pressure

The necleus of an atom is made up of what subatomic particles?

How does a circuit breaker protect a refrigerator? a. when the current is too high, a metal strip in the fuse melts and opens the circuit. b. when the resistance is too high , a re-settable which opens a circuit c. when the current is too high , a re-settable switch opens the circuit d. when the resistance is too high a metal strip in the fuse melts and opens the circuit