Why does a metal spoon left on a bowl of hot soup become warm?

A) Metal is a conductor.

B) Metal is an insulator.

C) Metal produces its own heat.

D) Metal heats up from magnetism.

What is the mechanical advantage of a machine that exerts a force of 160 N on an object when a person exerts a force of 20 N on the machine?

Which of the following is not a field force a) gravitational force b) electromagnetic force c) strong nuclear force d) spring force

7. If F1 is the magnitude of the force exerted by the Earth on a satellite in orbit about the Earth and F2 is the magnitude of the force exerted by the satellite on the Earth, then which of the following is true?

Because the __ signal changes smoothly, like a sine wave, it can closely mimic a human voice. However, part of the signal can easily get lost to __.

Which energy conversion is made in a battery? Question 13 options: a) chemical to electrical b) mechanical to electrical c) light to electrical d) electrical to chemical

Which environmental hazard is directly related to nuclear power production? land stripping global warming radiation leakage soil erosion

You eat an apple, so what energy transformations will it go through?

What equation gives the velocity at a specific time for an object with constant acceleration?

Consider the incomplete equation below Superscript 4 subscript 2 upper H e plus superscript 4 subscript 2 upper H e right arrow question mark.

When the temperature of a gas decreases at constant volume, its a. pressure increases. b. mass increases. c. pressure decreases. d. particles move faster.