# physical science

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What will the stopping distance be for a 1,000-kg car if -2,000 N of force are applied when the car is traveling 10 m/s?

• physical science -

The deceleration rate will be
a = F/m = 2 m/s^2. The time to stop is given by
t = Vo/a = (10 m/s)/(2m/s^2) = 5 s

• physical science -

calculate the KE of a 1500 kg. car travelling at 60 km/h

• physical science -

45000j

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