Calculate heat produced when 80000 coulombs of charge is transferred in 1/2 hour through a potential difference of 40 volts

As a fire truck approached Mary, the pitch of the siren got higher. once the fire truck passed and moved away, the sirens pitch got lower. this change in pitch is because in the sound waves

A man pushes horizontally on a desk that rests on a rough wooden floor. the coefficient of static friction between the desk and floor is 0.750 and the coefficient of kinetic friction is 0.600. the desk's mass is 100 kg.

A hockey puck is sliding on frictionless ice. It slams against a wall and bounces back toward the player with the same speed that it had before hitting the wall. Does the velocity of the hockey puck change in this process? Explain.

What cell structure controls the flow of the water and sucrose into and out of the cell

After the layers of sediment are deposited in one place, they are

a machine is required to produce and output force of 600 newtons. if the machine has a mechanical advantage of 6, what input force must be applied?

Small air bubbles rise slowly while big bubbles rise rapidly through the liquid. why?

Photosynthesis and respiration are important because they produce or breakdown food to release energy.

Tech A says a camshaft position sensor must be positioned correctly to accurately signal the position of the camshaft to the powertrain control module in the ignition module.

The starship enterprise returns from warp drive to ordinary space with a forward speed of 50 km/s. to the crew's great sur - prise, a klingon ship is 100 km directly ahead, traveling in the same direction at a mere 20 km/s.