Would you be doing more work going up the stairs twice as fast?

A 100100 -watt [W] motor (6060 % efficient) is available to raise a load 1010 meters [m] into the air. If the task takes 8080 seconds [s] to complete, how heavy was the load in units of kilograms [kg]?

Boy pulls a 5.0-kg sled with a rope that makes a 60.0° angle with respect to the horizontal surface of a frozen pond. The boy pulls on the rope with a force of 10.0 N; and the sled moves with constant velocity.

Both clouds are the same size. Which one is lighter? 10,000 5,000

Which type of storm is measured by the fujita scale?

The lowest surface temperature in the solar system (-200°c occurs on

When the volume increased, what happened to the density?

8. Chemical weathering occurs more rapidly in what kind of climates? A. Desertlike B. Cold with high snowfall amounts C. Cool and dry D. Warm with abundant rainfall

Recoil is noticeable if we throw a heavy ball while standing on a skateboard. If instead we go through the throwing motion but hold onto the ball, without friction effects our net recoil will be A) zero. B) the same as before.

If an electromagnet is used to pick up nails and other metal objects, what happens when the current is turned off?

An electron enters a region of uniform perpendicular en and bn fields. it is observed that thevelocity nv of the electron is unaffected. a possible explanation is: