The power of a heart which beats 72 times in a minute is 1.2kW. Calculate the work done by heart for each beat.

How many miles is 5 kilometers? just practicing on conversions ... i got 1.42, so can someone tell me if it is right or notHow many miles is 5 kilometers? just practicing on conversions ... i got 1.

Ben placed four different solutions in beakers. He forgot to label the beakers. Which describes what he should do to ensure proper laboratory safety? He should smell each of the solutions. He should ask his teacher to identify them by taste.

What is the length of a simple pendulum with a period of 11.5 s?

What physical properties of nylon and leather make them good materials to use for shoelaces? A. high density and low conductivity B. durability and flexibility C. hardness and durability D. low viscosity and flexibility

If a negative charge is released in a uniform electric field move

What is the mid-atlantic ridge? how many miles does it stretch?

A basketball player jumps straight up for a ball. To do this, he lowers his body 0.260 m and then accelerates through this distance by forcefully straightening his legs. This player leaves the floor with a vertical velocity sufficient to carry him 0.

Why does Mars have moons even when its mass is small?

During the forging process for a steel sword, the blacksmith places a hot iron blank into a cold bucket of water. Which of the following happens? A. The water molecules move faster. B. The steel molecules move faster. C.

If you are trying to balance a seesaw and you have a higher mass on the left, should the mass on the right be placed at a greater distance or lower distance to balance it? Why?