A150 kg mass is on a cliff 50 m high. what is its potential energy? 9 how much work is done moving a 2.5 kg book to a shelf 3.0 m high? 10. a 150 pound man runs up a stairway 25 feet above ground level in 10 s. how much work did the man do?

Occurs when an energy source transfers heat directly to another subject space; an example would be an object becoming warm by sitting in the sunshine

Which statement correctly describes the current in a circuit that is made up of any two resistors connected in parallel with a battery? a. the current in the battery and in each resistor is the same b. the current the battery equals to the sum of the currents in the resistors c. the current in the battery is less than the current in either resistor d. the current in the battery equals to the product of the currents in the resistors

The heliocentric and the geocentric models of the solar system included these central principles