The truck driver is delivering boxes to a warehouse. What is the average speed of the truck, if it takes the truck driver 2.5 hours to get to the warehouse that is 75km away? A.
30 km/h

B.
187.5 km/h

C.
60 km/h

D.
-30 km/h

Suppose that 27 j of work is needed to stretch a spring from its natural length of 6 m to a length of 9 m. (a) how much work is needed to stretch the spring from 12 m to 14 m? j (b) how far beyond its natural length will a force of 78 n keep the spring stretched?

Holes drilled several kilometers into earth’s crust provide direct evidence about earth’s interior in the form of

Properties seen when one one substance changes to another are known as properties