The bullet flies at a speed of 500 km / h. How long does it take to fly 100m? 1km? 2km?

univerkov | June 16, 2021 | education

Task data: V (constant flight speed of a given bullet) = 500 km / h (in SI V = 138.9 m / s).

1) Flight time at 100 m (L1 = 100 m): t1 = L1 / V = 100 / 138.9 = 0.72 s.

2) Flight time per 1 km (L2 = 1000 m): t2 = L2 / V = 1000/138, 9 = 7.2 s.

3) Flight time for 2 km (L3 = 2000 m): t3 = L3 / V = 2000 / 138.9 = 14.4 s.

Answer: The bullet will travel 100 m, 1 km and 2 km in 0.72 s, 7.2 s and 14.4 s, respectively.

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