Car average velocity during the entire trip
A car travels along a straight stretch of road. It proceeds for 15.7 mi at 53 mi/h then 22.6 mi at 47 mi/h, and finally 49.2 mi at 34.6 mi/h. What is the car's average velocity during the entire trip?
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A 140 block hangs from a spring with spring constant 10 . At the block is 17 below the equilibrium point and moving upward with a speed of 89.0 .
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A 2 000-kg car rounds a circular turn of radius 20 m. If the road is flat and the coefficient of friction between tires and road. ... If the road is flat and the coefficient of friction between tires and road is 0.70
The average speed of a nitrogen molecule in air is about 6.70 102 m/s, and its mass is about 4.68 10-26 kg.
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Modify the movie-rating program so that a user gets three tries to enter a valid rating. After three incorrect entries, the program issues an appropriate message and continues with a new user.
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