The radius of the moon is one fourth and its mass is one eighty first that of the earth. if the acceleration due to gravity on the earth's surface is 9.8meter per square. what is its value on the moon's surface?

Acharge of 8.4x10^-4 c moves at an angle of 35 degrees to a magnetic field that has a field strength of 6.7x10^-3 t. if the magnetic force is 3.5 x10 ^-2 n, how fast is the charge moving?

The solar panels used by mark function because of the photoelectric effect. light shines on the cells causing electrons to be ejected from the metal, which produces an electric current. at night on mars, no light will fall on the solar cells and no electric current will be generated. according to your notes, what type of light is typically needed to cause the photoelectric effect? a)visible b)ultraviolet c)infrared

What is the average speed of a car that travels 40mph for 1 hour and 60 mph in another hour will mark brainliest