Which of the following statements is true?

Energy input is always greater than energy output.

Magnetic fields are weakest at the poles of a magnet.

Magnetic fields can push and pull protons.

A change in acceleration is called velocity.

How can velocity be used to calculate distance? (Logically)

What is it called when sediment is dropped and comes to rest?

2.5Kg cat is running 4m/s what is its kinetic energy?

Two objects (38.0 and 17.0 kg) are connected by a massless string that passes over a massless, frictionless pulley. The pulley hangs from the ceiling. Find (a) the acceleration of the objects and (b) the tension in the string.

In history class, Juan learned about two sets of limestone carvings left in similar caves approximately 5000 years ago. Both caves are damp, but one cave has an average temperature of 45°C, while the other cave has an average temperature of 70°C.

What is the momentum of a 1.10 ✕ 104 kg garbage truck moving at 25.0 m/s?

Why doesn't a transformer work with direct current? why is ac required?

Which term describes the region in which an electron is most likely to be found? path cloud isotope orbital

The distance between two consecutive nodes of a standing wave is 21.9 cm. the hand generating the pulses moves up and down through a complete cycle 2.13 times every 3.65 s. find the velocity of the wave. answer in units of m/s.

Which statement is NOT true? Light travels with or without a medium Light travels faster than sound Sound must have a medium to travel through Both light and sound must have a medium to travel through