An insulator is a material that resists the flow of thermal energy and electricity.

a) True

b) False

Two people of different masses sit on a seesaw. m1, the mass of person 1, is 93 kg, m2 is 44 kg, d1 = 0.8 m, and d2 = 1.2 m. the mass of the board is negligible. (a) what is the magnitude of the torque about the pivot (location a.

Explain why generators are an important use of electromagnets.

Which of the following processes charges an object by friction

When the net force that acts on a hockey puck is 12 n, the puck accelerates at a rate of 48 m/s2. determine the mass of the puck?

When several radio telescopes are wired together, the resulting network is called a radio a. Receiver b. Interferometer c. Tuner d. Antenna

The circulatory system keeps the body and its tissues continuously oxygenated. It does this by having A) veins to carry both oxygenated blood to the tissues and deoxygenated blood to the lungs.

What is the "atomic mass" of an atom?

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.