Why dont we use a power water engine

Which measure of an earthquake depends on how close you are to the focus?

In order to measure current in a circuit, the multi-meter needs to be placed in __A__, while when measuring voltage, the multi-meter needs to be placed in __B__ with the circuit.

If 10 joules of heat is added to each sample the smallest change in temperature will occur in the

If a 15 kg mass accelerates at a rate of 4 m/s2, what net force acts on it? A 15 N B 4N C 3.75 N D 60 N E. 267 N

When an electric cell is connected to a circuit, electrons flow away from the negative terminal in the circuit. But within the cell, electrons flow to the negative terminal. Explain.

Cho is using technological design to build a clock based on the apparent motion of the Sun. Which of the following would be the best measure of success for Cho's clock? A. Cho's clock works even at night. B.

Suppose that a car traveling to the west (-x direction) begins to slow down as it approaches a traffic light. Make a statement concerning its acceleration. a) The car is decelerating and its acceleration is positive.

What are the moons of the outer planets made of, and how is their composition different from that of our Moon?

What is the main difference between geocentric and heliocentric models of the solar system

A flywheel in a motor is spinning at 530 rpm when a power failure suddenly occurs. The flywheel has mass 40.0kg and diameter 75.0cm. The power is off for 39.