Which is not an example of work being done?

a. Pushing a backpack to class.

b. Pulling a backpack to class.

c. Carrying a backpack to class.

d. Lifting a backpack from the floor to the table.

Subscript 9 applies to Hydrogen C9H8O4 TRUE or FALSE

2. Why was it important to examine both the color and the streak of your minerals? Think about streak and explain why it's called a mineral's "true color". Answer in at least 2 sentences.

A 2,493-kg car is moving down a road with a slope (grade of 14% at a constant speed of 13 m/s. what is the direction and magnitude of the frictional force? (define positive x in the forward direction, i. e., down the slope?

A student blows up a balloon and then places it in a very cold freezer. After a few hours, the balloon has shrunk. Which of the following best explains why the balloon shrunk? A.

Why are metals good conductors of electric current? Choose one of the followingDo they possess high concentrations of protonsDo they possess low concentrations of protonsDo they possess high concentrations of free electronsDo they possess low

What are the two types of surface waves? How are they different and which one would cause more damage? Explain.

What causes a regular reflection?

43.278 kg - 28.1 g use significant figures rule

What describes the movement of a fluid during convection?

Inductors in parallel. Two inductors L1 = 1.31 H and L2 = 2.24 H are connected in parallel and separated by a large distance so that the magnetic field of one cannot affect the other. (a) Calculate the equivalent inductance.