If an element has a charge of 2+, how many more protons does it have than electrons?

If a direct relationship exists between Variable A and Variable B, what would happen to Variable B if Variable A is increased? It will increase too. It will decrease. It will go up and down in a cycle. It will respond randomly.

You decide to travel by car for your holiday visits this year. You leave early in the morning to avoid congestion on the roads. This enables you to drive at a comfortable speed of?1=66.8 mph for?1=1.70 hours.

How much work did the movers do (horizontally) pushing a 160-kg crate 10.3 m across a rough floor without acceleration, if the effective coefficient of friction was 0.50?

When you step on the accelerator to increase the speed of your car, the force that accelerates the car is: A. the force of your foot on the accelerator B. the force of friction of the road on the tires C. the force of the engine on the drive shaft D.

A fuse in a home has blown and the owner wants to replace it with a fuse that can carry more current. Why might the owner's decision lead to a dangerous situation?

In which of the following are action and reaction forces involved? A. when a tennis racket strikes a tennis ball B. when stepping from a curb C. when rowing a boat D. all of the above

What happens to the entropy of a piece of wood as it is burned? a. It increases. b. It decreases. c. It stays the same. d. SubmitR

A 15-foot ladder is leaning against a house with the base of the ladder 4 feet from the house. How high up the house does the ladder reach? Round to the nearest tenth of a foot.

The electron structures of atoms are not involved in the emission of:

A boulder with a mass of 2,500 kg rests on a ledge 200m above the ground. What is the boulder's GPE