Define the term f1 and f2

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Q. As part of a safety investigation, two 1900 {rm kg} cars traveling at 18 {rm m/s} are crashed into different barriers. Find the average forces exerted on (a) the car that hits a line of water barrels and takes 1.8 {rm s} to stop, and (b) the car that hits a concrete barrier and takes 0.1 {rm s} to stop.

What are F1 and F2? Use two significant figures.

Q. A point source of light is 200.0 cm below the surface of a body of water. Find the diameter of the circle at the surface through which light emerges from the water.

Reference no: EM1347688

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