A person drives 70 km/h in 1 hour to the east, then 80 km/h for another hour to the east. What

was the average velocity for those 2 hours?

What was so significant about dalton discoveries

A wave that is traveling toward an interface is called the ... ?

What is the kinetic energy k of an electron with momentum 1.05*10-24 kilogram meters per second?

In order to boil an egg, a student puts the egg in a pan of water and heats the pan on the stove. Which methods of the heat transfer are used to transfer the majority of the heat to the water and the egg?

An ostrich can run 10km in 15 minutes what is it's speed in kilometers per hour?

A 26-g steel-jacketed bullet is fired with a velocity of 630 m/s toward a steel plate and ricochets along path CD with a velocity 500 m/s.

A small boat is carrying four people across a river. Without any paddling, the boat moves downstream at a steady speed of 5 m/s. If the average weight of the four people is 60 kg, then what is the speed of the boat after one person gets?

Does temperature affect the dissolving phase?

In a clear, coherent, paragraph-length answer, explain why the speed of the apple half way between the release and the maximum height is not half the initial speed.

In pea plants Round (R) is a dominant trait and wrinkled nose (r) is a recessive trait. Which combination would result in wrinkled seeds? 1. RR 2. Rr 3. rr 4. ww