What is the maximum reaction time

Reference no: EM1344776

Q. A plastic ball in a liquid is acted upon by its weight and by a buoyant force. The weight of the ball is 4.8N. The buoyant force has a magnitude of 6.5N and acts vertically upward. External force acting on the ball maintains it in the state of rest.

Q. A ranger in a national park is driving at 34 mi/h while a deer jumps into the road 190 ft ahead of the vehicle. After a reaction time t, ranger applies the brakes to produce an acceleration of a = -9.00 ft/s2. What is the maximum reaction time allowed if she is to avoid hitting the deer?

Reference no: EM1344776

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