A heavy rainstorm dumps 1.0 cm of rain on a city 7 km wide and 9 km long in a 2-h period. Part A
How many metric tons (1 metricton = 103 kg) of water fell on the city? (1 cm3 of water has a mass of 1 gram = 10-3 kg.)
Express your answer using 1 significant figure.
Part B
How many gallons of water fell on the city? (1 gal = 3.785 L.)
Express your answer using one significant figure.

What determines the amount of inertia an object has

An electromagnet is a device in which moving electric chargers in a coil of wire create a magnet. whats one advantage of using electromagnetic in devices

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?