A spherical balloon is being inflated such that its volume increases at a constant rate of 10 cm3 per second. When the radius of the balloon is 5 cm, what.

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Presentation transcript:

A spherical balloon is being inflated such that its volume increases at a constant rate of 10 cm3 per second. When the radius of the balloon is 5 cm, what is the rate of change of the radius?

In order to measure the speed of passing cars, a camera is set up 100 m from a straight road. The camera follows cars as they pass, and the rate at which the camera is turning is measured. If a car is traveling at 100 km per hour, how fast will the camera be turning when the car is at the point on the road closest to the camera?