Explain why there is a difference in the horsepower developed in walking and running up the flight of stairs.

What weapon would be the most easy and effective when killing a zombie? (close range) A. Fire axe B. Hand gun C. Machety D. Baseball bat

Which energy transfers are used in the electric coil of a baseboard heater? A) conduction and radiation B) convection and radiation C) convection and conduction

Which refrigerator will be easier to roll over uneven ground?

A car travelling at 15 m/s increases it's speed to 20 m/s in 10 seconds. its average acceleration is?

Assuming that voltage remains constant, what happens to the current in a wire as its diameter decreases? A. The current is not affected by a change in wire diameter. B. The current alternates between high and low values. C. The current increases. D.

If you have a beam perfectly balanced on a fulcrum and put a weight at the very end of one side, is there a way to know where you should put a heavier object on the other end?

Most of the Earth's volcanoes occuWhen fossils or minerals form, certain unstable elements are sometimes locked into them.

a man is standing on the edge of a 20.0m high cliff. he throws a rock vertically with an initial velocity of 10.0m/s. how high does the rock go?

The slope of a velocity time graph over any interval of time gives the during that interval

if light travels in a vacuum at 3.00 x 10^8m/s and its frequency is 7.44 x 10^7 what is its wavelength