Solar energy isn't usually used as the only power source for a reason because what

A student allows the evaporating dish and the anhydrous salt for a long time on the lab bench. What will happen to the mass of the content of the evaporating dish as it cools and how could this be prevented? G

A high jumper weighing 700 newtons jumps over a bar 2.0 meters high. What work does the high jumper do?

You hired a contract to update electrical wiring in your house. After the work, the outlets in your kitchen all shorted out. The contractor refused to return to do the work without additional payment.

Kaitlyn builds a project in which light bulb A and light bulb B are in parallel circuits. The project has a switch and uses a battery for its source of voltage. She connects her battery and neither light turns on.

A 565 N rightward force pulls a large box across the floor with a constant velocity of 0.75 m/s. If the coefficient of friction is 0.8, what is the weight of the box?

What is root-mean-square current?

Which of these is an element? O carbon O air O carbon dioxide water

What could result if the liver was not working properly?

A machine gun fires 10 rounds per second. The speed of the bullets is 300 m/s. What is the distance between the flying bullets?

A runner with a mass of 75kg runs 6m/s calculate the kinetic energy stored in the runner