A 2.0-kg block slides down a plane (inclined at 40° with the horizontal) at a constant speed of 5.0 m/s. At what rate is the gravitational force on the block doing work?

a. +98 W
b. +63 W
c. zero
d. +75 W
e. ?75 W


b

Physics & Space Science

You might also like to view...

Calculate the percentage composition by mass (to the nearest 0.1) of each element in sodium sulfide, Na2S

Physics & Space Science

Which best shields you from sunburn when at the beach?

A) a cloudy day B) a sheet of glass between you and the Sun C) frequent turning of your body D) all of the above E) none of the above

Physics & Space Science

Of the known planets in our solar system, the innermost is Mercury. When compared to the other planets in the system, Mercury has:

a. the greatest centripetal acceleration. c. the smallest speed. b. the greatest period of revolution. d. none of the above properties.

Physics & Space Science

Briefly describe Mars's surface

What will be an ideal response?

Physics & Space Science