Neglecting friction, of a pendulum bob has 100 joules of kinetic energy at the bottom of its swing, how much potential energy does it have at the top of its swing

In an electromagnet, a moving charge creates which of the following? A. a magnetic field B. a permanent magnet C. a magnetic pole D. nothing

A rock is dropped downward from the top of a cliff. If the rock hits the ground after 2.0 s, what's the height of the cliff?

Sally Sizzle builds a circuit by connecting three resistors in parallel with a 9V battery. The current in this circuit is 3.6 amps. Sally wants to add another resistor in parallel to increase the current to 4.6 amps.

Which of the following are NOT two of the best ways to StaySafe around electricity?

Which of the following refers to an attractive force between two objects due to their mass

A number of food chains linked together

Inside a stereo speaker, you will find two permanent magnets: one on the cone and one near the cone. True of false?

When a hurricane nears land what causes the most damage

Calculate if an electric hair dryer uses 2,400 j of energy in 2 s, what is its power?

Which of the following choices best represents a potential stressor?