At what time did you hit the log

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Reference no: EM13193326

You are driving along a country road when you suddenly notice a log in the road ahead of you and immediately apply your brakes. You travel a distance of s(t) = 65 t - 5 t^2 feet in t seconds after you hit the brakes.

The log was 210 feet ahead of you when you noticed it, which unfortunately wasn't soon enough.
At what time (in seconds) did you hit the log?
How fast were you going (in ft/sec) when you hit it?

Reference no: EM13193326

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