On what bases are galaxies classified?

A) Density and volume

B) Mass and temperature

C) Shape and structure

D) Temperature and size

A car weighing 15,000 n is speeding down the highway at 90 km/h. what is its momentum?

A 3kg has 9 joules of kinetic energy how fast is it flying

What is the velocity of a car that travels 100 meters north in for seconds

What does electricity depend on to make electrons move? A:a source and the attraction to opposite charges B: Only source C:Only attraction of opposite charges

The fluid friction that opposes the motion of objects through air is known as what?

When the velocity of a mass on a spring is zero, the acceleration is at

Which is a disadvantage of using wind as an energy source? Check all that apply. It may be unreliable. It is not naturally occurring. It produces a lot of waste. It requires wires to carry electricity. It generates large amounts of electricity.

One step in the production of hydroelectric power involves

A pot is heated on a stove. The water begins to boil rabidly. Which explains why the water is boiling fast?

A galvanometer can be calibrated to read electric A) current B) Voltage C) either of these D) neither of these