Acyclist rode at an average speed of 10 mph for 15 miles. how long what the ride? 1 hour 10 hours 15 hours 150 hours !

Which changes of state do the labels represent? a: b: c:

What are the north and south poles of a solenoid change with?

Consider two less-than-desirable options. in the first you are driving 30 mph and crash head-on into an identical car also going 30 mph. in the second option you are driving 30 mph and crash head-on into a stationary brick wall. in neither case does your car bounce off the thing it hits, and the collision time is the same in both cases. which of these two situations would result in the greatest impact force?