Sapling learning macmililan learning a small bolt with a mass of 43.0 g sits on top of a piston. the piston is undergoing simple harmonic motion in the vertical direction with a frequency of 3.05 hz. what is the maximum amplitude with which the piston can oscillate without the bolt losing contact with the piston's surface? number

Which is not a characteristic of a heat pump? a. it is used in air conditioners. b. it uses a refrigerant. c. it requires no work. d. it reverses the normal flow of thermal energy.

True or false: the revolution of the earth creates day and night as it rotates around the sun

The electric field between square plates of a parallel-plate capacitor has magnitude e. the potential across the plates is maintained with constant voltage by a battery as they are pulled apart to twice their original separation, which is small compared to the dimensions of the plates. the magnitude of the electric field between the plates is now equal to a)e b)e/4 c)e/2 d)4e e)2e