N a circuit the current is 0.045 amps and the resistance is 1.75 kΩ,

When you hit a nail into a board using a hammer the head of the nail gets warm. In terms of kinetic and thermal energy describe why you think this happens?

Define the relationship between refraction and reflection

Most of the earths history occurred during which of these times? A. cenozoic B. Mesozoic C. Paleozoic D. Precambrian

Which type of wave has the longest wavelength? Question 33 options: a) Microwaves b) Visible light c) Ultraviolet rays d) Radio waves e) Gamma rays

When cooling foods what is the maximum time that food can be in the 135f to 70f range?

What will happen to an electromagnet of the electric current is lost?

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

A rod made from insulating material carries a net charge, while a copper sphere is neutral. The rod and the sphere do not touch. Is it possible for the rod and the sphere to (a) attract one another and (b) repel one another? Explain.

Which of the following best explains why mutations cannot cause evolution?

We often use a spoon to cool coffee by stirring. Some of the heat is conducted from the coffee to the air by this method, but the spoon itself will cool the coffee a little.