How long would it take for a sound impulse to travel through a copper Rod 20km

Explain how fossil fuels originated, and why this process results in them being considered nonrenewable resources.

Determine the amount of potential energy of a 5.0 Kg book that is moved to three different shelves on a bookcase. The height of each shelf is 1.0 m, 1.5 m, and 2.0m

Alpha particles are emitted during the radioactive decay of

Sheet-shaped clouds are called a. cirrus. c. cumulus. b. stratus. d. nimbus.

Which of the following is best described as an inclined plane twisted into a spiral? A. a pulley B. a screw C. a wheel and axle D. a wedge

Laser light of wavelength 470 nm shines on a pair of slits at normal incidence, producing a pattern of maxima on a large screen 92.0 cm away from the slits. The second order maximum is observed to be 31.7 cm away from the central maximum. a.

What does the slope of a line of best fit represent

A bowling ball is pushed with a force of 22.0N and accerlates at 5.5 m/s square. What is the mass of the bowling ball A - 4.0 kg B-0.25 kg C-25 kg D-4.00 kg

How to eat butter. I want to know how you all eat the butter.

What is the transfer of heat through a solid as a result of molecular action called? radiation convection conduction magnetism?