An object moves in a circle. if the mass is tripled, the speed halved, and the radius unchanged then the centripetal force must change by a factor of: 3/2 3/4 9/4 6 12

Aquantity of gas has a volume of 1.5 m3 and an absolute pressure of 95 kpa. when the gas is compressed to a volume of 0.5 m3, what is the new absolute pressure of the gas? (assume that there’s no change in temperature.)

How many molecules are present in 3 mols of silicon dioxide (sio2)?

In a series circuit the __ is the same at every point