3 Answered Questions for the topic Physics Word Problem

Physics Word Problem

01/27/17

What is the acceleration during the first 5.6 km of travel?
A train starts from rest and accelerates uniformly, until it has traveled 5.6 km and acquired a velocity of 42 m/s. The train then moves at a constant velocity of 42 m/s for 420 s. The train then... more
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Physics Word Problem

01/27/17

How many g's are experienced, on average, by the driver?
Acceleration is sometimes expressed in multiples of g, where g=9.8 m/s^2 is the acceleration due to the earth's gravity. In a car crash, the car's velocity may go from 26 m/s to 0 m/s in 0.15 s.... more
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Physics Word Problem

01/27/17

What is the difference between the average speed and average velocity?
A car travels 95km to the north at 70.0 km/h, then turns around and travels 21.9 km at 80.0 km/h. What is the difference between the average speed and the average velocity on this trip?
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