A person is standing on a balance with both feet. The reading of the balance is 200N. If he lifts a foot, what will the balance reading be?

What are three major types of fungi and an example of each.

What is the momentum of an 8kg bowling ball rolling at 2m/s

What properties does electrical resistance in a wire depend on?

Experimental tests have shown that hammerhead sharks can detect magnetic fields. In one such test, 100 turns of wire were wrapped around a 7.0-m-diameter cylindrical shark tank.

Which describes the elements in any given period of the periodic table? A. They have common chemical properties, such as reactivity. B. They are in the same family. C. Their properties change according to a pattern as you go from left to right l. D.

What type of energy comes from the food that we eat?

Which of the following are vector quantities? check all that apply. a. time b. displacement c. force d. mass

Imagine you are on a bus with a helium balloon tied on a string tied to the seat in front of you. the bus stops short to avoid running over a rabbit and you are thrown forward. what happens to the balloon in relation to the bus? 1. the balloon pops.

Give one reason why the density of iron is higher than the density of oxygen

In which region of the periodic table do the elements NOT normally react chemically with other elements? A. metals B. metalloids C. nonmetals D. noble gases