If the current in a circuit is 3.2 mA and the resistance of the wire used in the circuit is 250 Ω, what is the voltage of the fuel cell being used? Formula;
Calculation;

Acar is traveling at 53.0 mi/h on a horizontal highway. (a) if the coefficient of static friction between road and tires on a rainy day is 0.104, what is the minimum distance in which the car will stop?

Apulley with a mechanical advantage of 5 will require you to pull times the amount of rope. a. 1/5 b. 5 c. 10 d. 15

What was the first instrument to ever record an earthquake?