A particle has an acceleration of 6.39 for 0.28. at the end, Ask an Expert

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Q1. A motorist travelling at 15 m/s encounters a deer in the road 43.0 m ahead.

If the maximum acceleration vehicle's brakes are capable of is -6 m/s2, what is the maximum reaction time of the motorist that would allow her or him to avoid hitting the deer?

Answer in units of s.

Q2. A particle has an acceleration of 6.39 for 0.28. At the end of this time the particle's velocity is 9.31 .What was the particle's initial velocity?

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Category:- Physics
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