What average force is required to stop a 900 kg car in 5 seconds if it was initially traveling at 80 km/hr?

A place in which there is no matter is called a (n)

If you are stopping at an intersection with stop bars you should stop before: A. Your front wheel wells cross the line B. Your front tires cross the line C. Your front bumper crosses the line D. You lose sight of the line

Only using 10 ohm resistors come up with a way to make a battery catch fire

What is the mass of a cylinder of lead that is 1.80 in in diameter, and 4.12 in long. the density of lead is 11.4 g/ml?

How do you measure velocity?

In a perfectly inelastic collision, the total momentum of the system ___ (i) ___ constant, while the total kinetic energy of the system___ (ii) ___constant.

What factors determine power

Superman, with a mass of 150kg, goes into outer space to push a 125000kg alien spaceship out of stationary orbit. He uses his super strength and pushes the ship away ay at speed of 150m/s. What is the speed of Superman after his big push

Most telephone cables are made of copper wire of either 24 or 26 gauge. If the resistance of 24-gauge wire is 137 Ω/mile and the resistance of 26-gauge wire is 220 Ω/mile, what is the ratio of the diameter of 24-gauge wire to that of 26-gauge wire?

Classify the sentences based on whether they describe temperature or thermal energy.