At 2:00 pm a car s traveling at 22 mph. Four minutes later the car is traveling

Question

At 2:00 pm a car s traveling at 22 mph. Four minutes later the car is traveling at 32 mph. Was the car ever moving at 30 mph over this interval? Why or why not? Select one: a. The question cannot be answered since there Is no way of knowing how the car moved over the 4 minute Interval. b. No, the car was not ever moving at 30 mph since there Is no way to determine when the car would move at that speed. c. No, the car was not ever moving at 30 mph since the car only moved at 22 mph and 32 mph. d. Yes the car was moving at 30 mph at least once over the interval. The reason is that the car had to accelerate through 30 mph to reach 32 mph.

Explanation / Answer

option d is correct ; it is similar like intermediate theorum

cause speed increase is continuous and can not abruptly jump.

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