1. A
car moving fast on a highway. In the
first 10 minutes, the car covers 10 km.
After 15 minutes, the car covers 12 km.
And after 25 minutes, the car has decelerated until it stops; and it has
covered 16 km. What is the average speed
(km/sec) of the car?
2. What
is the velocity of a car that traveled a total of 75 km north in 1.5 hours?
3. How
long is the travel time of a plane with a speed of 600 mi/hr and a distance of 3000 mi?
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