Why isn't nuclear fusion used to generate electric energy in power plants? A.
It requires extremely high pressure.

B.
It uses a very rare radioactive isotope.

C.
It releases less energy per gram than uranium does.

D.
It requires converting matter into energy.

Can somebody explain to me how newton's 3rd law relates to momentum? ~ap physics 1

Abike rider starts from rest and accelerates 28.0 meters down a slope in 5.00 seconds. what is her acceleration? select one: a. 3.21 m/sec2 b. 1.75 m/sec2 c. 9.80 m/sec2 d. 2.24 m/sec2

A0.750 kg aluminum pan is removed from the stove and plunged into a sink filled with 10.0 kg of water at 293 k. the water temperature quickly rises to 297 k. what was the initial temperature of the aluminum pan? the specific heat of aluminum is ca = 900 j/(kgk) and water is cw = 4190 j/(kgk)