As an object falls toward earth,
a. the object does not exert a force on earth.
b. the object exerts a downward force on earth.
c. newton’s third law does not apply.
d. the upward acceleration of earth is negligible because of its large mass.

In which scenario is the least amount of work done on a crate? a force of 120 n moves it 25 m. a force of 115 n moves it 26 m. a force of 130 n moves it 22 m. a force of 125 n moves it 27 m.

Starting with only the balmer series light (visible light), how could we ensure that the solar panels generate a current that mark can use for his power station? a)by gradually increasing the brightness (amount) of light that we shine on it. b)by gradually increasing the frequency of the light we shine on it. c)by gradually increasing the wavelength of the light that we shine on it.

What is a costume plot? why is it important to a film or theater production?