Where does electricity come from?

What is interfacial polarisation ... ?

A car is traveling at a constant speed of 12 m/s. When the driver accelerates, the car reaches a speed of 26 m/s in 6 s. What is the average acceleration of the car? OB. 2.3 m/s/s A. 2 m/s/s C. 4.3 m/s/s D. 84 m/s/s

2. A can filled with sand has a mass of 0.65kg is swung overhead in a horizontal circle of radius 0.70m at a constant rate of 2.5 revolutions per second. Find the angular momentum of the rock.

You are going sledding with your little cousins during a well-earned break. You push your 23 kg cousin so that they have a speed of 6 m/s at the top of the hill that is 17 m tall.

The person in the middle weighs 500 n, and the tension on the rope is 400 n. what is the weight of the scaffolding?

Power=170 watts time=20 seconds

What is the charge of alpha, beta and gamma rays?

A pair of scissors is a complex machine. what simple machines make up a pair of scissors?

Methane gas absorbs red light, and methane clouds reflect blue light, giving Uranus and Neptune their distinctive blue colors. Why do Uranus and Neptune have methane clouds, but Jupiter and Saturn do not

A car traveled 1025 kilometers from El Paso to Dallas in 13.5 hours. What was it's average velocity?