Let us denote the motorcycle's velocity as VA and the car's velocity as VB.
VAB = VA – VB
We get VAB = 120 km/h – 90 km/h = 30 km/h by substituting the variables in the above equation.
As a result, the motorcycle's relative velocity to the car's passenger is 30 km/h.
Question : The force (in pound-force) needed to keep a car from skidding on a curve varies directly with the weight of the car (in pounds) and the square of its speed (in miles per hour [mph]) and inversely with the radius (in feet) of the curve. Suppose 6125 pound-force is required to
Question : By driving the car at an average speed of 40 km per hour, I reach my destination in 7 hours. With what speed I can reach the same destination in 5 hours?
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