How do you find density of a regular solid?

What did Young's observation of an interference patter for light show about the nature of light? -light travels at extremely high speed -light consists of particles -light behaves as a wave -the speed of light is a constant

A 68 kg student runs up a flight of stairs that is 7 m high in 9 seconds. Calculate how much power is used.

In an earthquake, a P wave is a longitudinal wave. It moves through soil and rock as a A. wavy line. B. series of faults. C. series of compressions and rarefactions. D. series of crests and troughs.

Two objects are moving at equal speed along a level, frictionless surface. the second object has twice the mass of the first object. they both slide up the same frictionless inclined plane. which object rises to a greater height?

Calculate the power of a 120V drill that uses 15A of electricity.

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?