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?