A train travels 90 kilometers in 1 hour, and then 82 kilometers in 5 hours. What is it's average speed?

How does Einstein's famous equation, E = mc2, relate to the production of the Sun's energy? Be sure to include what each factor in the equation represents with respect to what happens inside the Sun.

How is work related to force and displacement?

A (n) is a combination of substances that are combined physically but not chemically

The sound level produced by one singer is 70.8 dB. What would be the sound level produced by a chorus of 37 such singers (all singing at the same intensity at approximately the same distance as the original singer)

A bike accelerates uniformly from rest to a speed of 8.20 m/s over a distance of 45.6 m. Determine the acceleration of the bike.

A container of gas is at a pressure of 3.7 * 105 Pa How much work is done by the gas if its volume expands by 1.6 m3?

A person carries a mass of 10 kg and walks along the + x-axis for a distance of 100m with a constant velocity of 2 m/s. What is the work done by this person? A) 20 J B) None of the other choices is correct. C) 0 J D) 200 J

Uranus has more than 14 times as much mass as earth, yet the gravitational force is less. how can that be?

What is velocity-time graph?

Whitch tool could be used to mesure the mass of. a package being mailed