E = 1 * 4 * (40 - 20)

If you cut a metal cube into four pieces, do the new pieces have a different mass than the original cube? Do the new pieces have a different density than the original cube?

Acceleration involves a change in speed or ...

Which group of components is common to the circulatory systems of most living animals? A. arteries, veins, capillaries B. vessels, heart, circulating fluid C. aorta, ventricles, atria D. blood, heart, cavities

As mass increases does potential energy decrease or increase?

Suppose that 100g of aluminum at 23 degrees C is added to 50g of water at 95 degrees C. Determine the equilibrium temperature of the mixture. Ignore heat loss to the container or the surroundings.

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?