What is simple machine

What happens when you put warm soda in a refrigerator?

Red light from three separate sources passes through a diffraction grating with 6.60*105 slits/m. The wavelengths of the three lines are 6.56 * 10-7m (hydrogen), 6.50 * 10-7m (neon), and 6.97 * 10-7m (argon).

A ball is tossed upward. Which of the following statements correctly describes the energy transformation as it rises? A) Group of answer choices Both the gravitational potential energy and the total energy increase. B) The total energy increases.

A fire engine must lift 30 kg of water a vertical distance of 20 m each second. What is the amount of power needed for the water pump for this fire hose? P=W/t=Fd/t=mgd/t (30) (9.8) (20) / 1 = 5880 W is that right?

Explain how speed, velocity, and acceleration are related. Be sure to include both similarities and differences in your explanation.

What describes the movement of a fluid during convection?

Inductors in parallel. Two inductors L1 = 1.31 H and L2 = 2.24 H are connected in parallel and separated by a large distance so that the magnetic field of one cannot affect the other. (a) Calculate the equivalent inductance.

The amplitude of an oscillator decreases to 36.7% of its initial value in 29.5 s. part a what is the value of the time constant

Which is a derived unit? A Meter B Second C Kilogram D Newton

What is the period of vibration for a wave with a frequency of 150 hertz?