Light waves from the sun can travel through outer space and reach the earth. This suggests that light is a (n)

A) mechanical wave.

B) compression wave

C) Longitudinal wave

D) electromagnetic wave

A small sphere with mass 5.00*10-7 kg and charge + 8.00 μC is released from rest a distance of 0.500 m above a large horizontal insulating sheet of charge that has uniform surface charge density σ = + 8.00 pC/m2.

A table tennis ball with a mass of 0.003 kg and a soccer ball with a mass of 0.43 kg are both set in motion at 16 m / s calculate and compare the momentum of both balls

If a reaction is exothermic and produces large quantities of heat reaching equilibrium, its equilibrium constant will be

Draw the vector C⃗ = 0.5A⃗ + 2B⃗.

What are the units of measurement for tangential speed? For rotational speed?

White moths were found in huge numbers in the city of Birmingham. These moths could be easily camouflaged by the trees. Because of sudden industrial development, the trees in the city were covered with soot.

What two factors determine how fast weathering occurs

A sound that's produced by a single wave at a constant frequency and with no overtones is called

Which of the following is ignored when determining the relative mass of atoms? protons nucleus electrons. neutrons

Gamma radiation can be significantly reduced by ... A sheet of paper Air A 3 mm thickness of aluminium Several cm of lead