Akito pushes a wheelbarrow with 800 w of power. how much work is required to get the wheelbarrow across the yard in 12 s? round your answer to the nearest whole number.
it takes blank j of work to get the wheelbarrow across the yard

What is the orbital period of a spacecraft in a low orbit near the surface of mars? the radius of mars is 3.4×106m.

Asolid cylinder and a cylindrical shell have the same mass, same radius, and turn on frictionless, horizontal axles. the cylindrical shell has light-weight spokes connecting the shell to the axle. a rope is wrapped around each cylinder and tied to blocks of equal masses that are held the same height above the ground. both blocks are released simultaneously. the ropes do not slip. which block hits the ground first? or is it a tie?

How did the germans define who was jewish?