Physics, 22.10.2019 21:00 lolfunny124
When the engineer first sees the car, the locomotive is 100m from the crossing and its speed is 30m/s. if the engineer reaction time is 0.47 s what should the magnitude of the minimum deceleration to avoid an accident?
Answers: 2
Physics, 22.06.2019 05:00
Which car has the most kinetic energy? a. a car of mass 1000 kg with a speed of 3 m/s b. a car of mass 2000 kg with speed 7 m/s c. a car of mass 1000 kg with speed 7 m/s d. a car of mass 2000 kg with speed 3 m/s
Answers: 1
When the engineer first sees the car, the locomotive is 100m from the crossing and its speed is 30m/...
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