Electricity from the local power company costs 7.22 cents/kWh. A homeowner wishes to pay a maximum of 25 cents per month for the electricity to power a stereo system. For how many hours per month could the stereo system be used?

How to find friction force given mass and acceleration?

What sort of bond will an atom with seven electrons in its outer shell form? A. an ionic bond with an atom that has no electrons in its outer shell B. a covalent bond with an atom that has one electron in its outer shell C.

How much gravitational potential energy does a 45.2 kg object have when it is 21.9m above the ground?

In which situation would a space probe most likely experience centripetal acceleration? a. as it revolves around a planet b. as it flies straight past a moon c. as it is pulled in a line toward the Sun d. as it lifts off from Earth

Generate an explanation for the following formula: P = I2R

Which is a branch of Earth science? physics ecology chemistry geology

If a bar magnet is falling through a loop of wire, the induced current in the loop of wire sets up a field which exerts a force on the magnet. This force between the magnet and the loop will be attractive when:

Orange juice has a lower or higher viscosity than chocolate syrup

A plane is sitting on a runway, awaiting takeoff. On an adjacent parallel runway, another plane lands and passes the stationary plane at a speed of 40 m/s. The arriving plane has a length of 40 m.

How much time does it take for a car travelling at 5m/s in 21 metres