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Q. A 220g air-track glider is attached to a spring. The glider is pushed in 11 cm and released. A student with the stopwatch finds that 8 oscillations take 9 s.

What is the spring constant?

Q. A motorist travelling at 14m/s encounters a deer in the road 47m ahead.

If the maximum acceleration vehicle's brakes are capable of is -6.00 m/s2, what is the maximum reaction time of the motorist that will allow her or him to avoid hitting the deer?

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Category:- Physics
Reference No.:- M9306338

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