What are ph levels? Why are they important? What's there acceptable level/condition?

What is the electric field between two parallel plates if the electric potential difference between the plates is 24 V and the plates are 65 mm apart? a. 0.0027 N/C b. 1.6 N/C c. 369 N/C d. 1560 N/C

A bullet whose mass is 30.2 g leaves a rifle with a muzzle velocity of 1,000 m/s. It strikes a block of wood (mass 5 kg), initially at rest, and remains embedded in it.

Choose the steps below in the appropriate order to explain why the sky is blue. a. White light interacts with molecules in the atmosphere. b. White light with all colors is emitted by the sun. c.

Anna pushes a box with a force of 8.00 newtons. She generates a power of 3.00 watts. How much time does it take for Anna to move the box the distance of 9.72 meters?

if a student wanted to design an experiment that uses sound scientific principles, which of the following should he or she not do?

A bobsledder pushes her sled across horizontal snow to get it going, then jumps in. After she jumps in, the sled gradually slows to a halt.

How can you predict the action of the element

How is the mass of a liquid substance affected after it freezes A) It increases. B) It decreases. C) It stays the same.

When a substance goes directly from a solid state to a gas state, as dry ice does, A. the line on the energy-vs.-temperature graph is horizontal. O B. it's called sublimation. I c. it's called deposition. O D. it's called fusion. E.

Three light bulbs are wired in series. What happens if one of these light bulbs burn out