A man weighting 600N runs up the hill. It takes him 20s to reach top which is 15m from ground. Calculat

A) a work he has done

B) the power output his legs

The transfer of energy that occurs when a force is applied over a distance is

Radiant energy spreads out from its source true, false

What is the term for the process by which a portion of a glacier breaks off and falls into the water

When you slosh the water back and forth in a tub at just the right frequency, the water alternately rises and falls at each end, remaining relatively calm at the center.

A rod is lying on the top of a table. one end of the rod is hinged to the table so that the rod can rotate freely on the tabletop. two forces, both parallel to the tabletop, act on the rod at the same place.

Classify the sentences based on whether they describe temperature or thermal energy.

Let the magnitudes of two displacement vectors be 4 m and 8 m, respectively. If the two vectors are added, the magnitude of the resultant vector. A. is exactly equal to 4 m. B. is exactly equal to 12 m. C. is greater than 12 m. D.

Which statement is true? The speed of sound in air is inversely proportional to the temperature of the air. The speed of sound in air is directly proportional to the temperature of the air.

What is the molar mass of an ideal gas if a 0.800 g sample of this gas occupies a volume of 200. mL at 50.0 oC and 720. mm Hg?

When unequal resistors are connected in parallel in a circuit,?