A capacitor is connected across a battary. why does each receive a charge of exactly the same magnitude?

Which simple machine is a doorknob? a lever a screw a pulley a wheel and axle

The movement of thermal energy from a warmer object to a cooler object is called

In a classroom experiment, A student rubs a comb against her hair. The comb is then brought near bits of paper resting on a surface.

How does a vector quantity differ from a scalar quantity

If the potential accross two parallel plates, separated by 2.5 cm, is 15.0 V, what is the electric field strength in volts per meter?

A motor-driven winch pulls a 50.0 kg student 5.00 m up the rope at a constant speed of 1.25 m/s. how much power does the motor use in raising the student? how much work does the motor do on the student?

By what percent must one increase the tension in a guitar string to change the speed of waves on the string from 301 m/s to 343 m/s?

A plane is traveling from one location to another 10,000 miles away. If the plane travels at a speed of 575 miles per hour, how long will it take to get there?

At the bow of a ship on a stormy sea, a crewman conducts an experiment by standing on a bathroom scale. In calm waters, the scale reads 183 lb. During the storm, the crewman finds a maximum reading of 230 lb and a minimum reading of 138 lb. A.

A 1.5m wire carries a 2 A current when a potential difference of 52 V is applied. What is the resistance of the wire?