Mathematics, 02.02.2021 14:00 malik1885
17. How long does it take a leaf to fall from a 20 m high tree branch at an average rate of 2 m/s?
18. Forty (40 sec.) after a train passes a railway marker, the train has moved 1200 meters.
19. An object falls from a height of 45 meters and travels at a speed of 14.7 m/s.
20. A car waits at a red light. After the light turns green, the car moves 406 meters in 21.2 seconds.
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17. How long does it take a leaf to fall from a 20 m high tree branch at an average rate of 2 m/s?...
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