When coal is placed into a burner, what type of energy is being supplied to the burner

You do 75 j of work in 8.0 seconds. how much power do you use?

A copper block with a mass of 300 grams is cooled to 77 K by being immersed in liquid nitrogen. The block is then placed in a Styrofoam cup containing some water that is initially at + 50.0°C.

What affect does a tripling of the net force have upon the acceleration of the object? Be quantitative

Variable. Use the drop-down menus to complete each sentence. To run the physics cart, the fan speed of the cart is manipulated. This is the The cart accelerates due to the speed of the fan.

A wire is stretched between two posts. Another wire is stretched between two posts that are twice as far apart. The tension in the wires is the same, and they have the same mass. A transverse wave travels on the shorter wire with a speed of 249 m/s.

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