The brakes on your car can give you an average deceleration of 5 ms ^-2 . Your speeding down the highway when a car coming in the opposite direction flashes his lights (code for a speed trap ahead). You are able to slow down to 55 mph in 3 s. How fast were you going?

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Let deceleration be a 5ms 2 negative since it is accelerating in the opposite directi... View the full answer