What two simple machines make a skateboard?

You want to prevent charges from moving off of a charged metal sphere. Which statement accurately describes the material you need? O A. It has a low resistance and is a conductor. O B. It has a high resistance and is an insulator. O C.

What are the 5 examples of innovation drivers?

How is biodiversity related to biosphere?

I saw glaciers and a desert of snow. I saw a whale jump up from the ocean. My sister says she saw a "white bear," but I didn't believe her. What climate zone is being described? tropical temperate polar subtropical

Because you may come in contact with organisms you cannot see, what safety procedure MUST be followed? a. Read over your activity. b. Open the windows of the laboratory. c. Wash your hands thoroughly after completing the activity. d.

You serve a volleyball with a mass of 2.1 kg. The ball leaves your hand with a speed of 30 m/s. Calculate the energy.

Three ideal polarizing filters are stacked, with the polarizing axis of the second and third filters at 21 degrees and 61 degrees, respectively, to that of the first. If unpolarized light is incident on the stack, the light has intensity 60.

What does an electric current produce

A series circuit contains three 2 Ω resistors and a 6 Ω resistor. The current in each resistor is 4.0 A. What is the voltage of the battery in the circuit? 2.0 V 3.0 V 32 V 48 V

A solid metal ball and a hollow plastic ball of the same external radius are released from rest in a large vacuum chamber. When each has fallen 1 m, they both have the same?