When you decrease the length of the effort arm on a lever which of the following happens to effort force? A. Force will decrease B. Force will increase C. Force will vary D. Force will remain the same.

A record rotates at a constant velocity of 33rpm. Through what angle will the record rotate.

Which is NOT true related to the following equation? Fe (NO3) 3 + 3NaOH - > Fe (OH) 3 + 2NaNO3 A This reaction is balanced. . B Sodium nitrate is a product. C Sodium hydroxide is a reactant. D This is a neutralization reaction.

Find the work w1 done on the block by the force of magnitude f1 = 65.0 n as the block moves from xi = - 3.00 cm to xf = 3.00 cm.

Classify each of these soluble solutes as a strong electrolyte, a weak electrolyte, or a nonelectrolyte. drag each item to the appropriate bin.

Why might the study of matter and energy be important

How big is a wifi pulse signal coming from your router? A) 10 meters B) 15 meters C) 5-10 meters D) 20-30 meters

Imagine you are in a music concert. What different sounds might you hear? How are these sounds made?

Dose aloe Vera grow in the mesa?

A tradesman sharpens a knife by pushing it against the rim of a grindstone. The 35 cm diameter stone is spinning at 200 rpm and has a mass of 28 kg. The coefficient of kinetic friction between the knife and the stone is 0.20.

What is the unit for force we use when calculating F=ma?