On a distant planet an astronaut picks up a rock of a mass 5kg. on this planet the weight of the rock is 40N. If the astronaut exerts an upward force of 46.2N on the rock, what is its acceleration

What happens to the light rays when they hit the specimen?

Aforce of 200 n is applied to an input piston of cross-sectional area 2 sq. cm pushing it downward 2.8 cm. how far does the output piston of cross-sectional area 12 sq. cm move upward? show all work.

Hen a gfci receptacle device is installed on a 20-ampere branch circuit (12 awg copper), what is the minimum volume allowance (in cubic inches) required for conductor fill for each conductor in the outlet box?