Calculate the time taken for a bullet to travel 8 km at a speed of 5000 m - sA- 2-0 secondsB- 1-5 secondsC- 1-6 secondsD- 6-1 seconds

The correct option is C 1.6 seconds Speed = Distance/Time taken Time taken = Distance/Speed Distance = 8 km = 8000 m Speed = 5000 m/s Time taken = 8000/5000 = ...

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Standard VII

Mathematics

Introduction to Speed

Calculate the...

Question

Calculate the time taken for a bullet to travel 8 km at a speed of 5000 m/s.

6.1 seconds

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1.6 seconds

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1.5 seconds

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2.0 seconds

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Solution

The correct option is B
1.6 seconds

Speed = $\frac{D i s t a n c e}{T i m e t a k e n}$

Time taken = $\frac{D i s t a n c e}{S p e e d}$

Distance = 8 km = 8000 m

Speed = 5000 m/s

Time taken = $\frac{8000}{5000}$ = 1.6 seconds

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Calculate the time taken for a bullet to travel 8 km at a speed of 5000 m/s.

The correct option is B 1.6 seconds Speed = DistanceTime taken Time taken = DistanceSpeed Distance = 8 km = 8000 m Speed = 5000 m/s Time taken = 80005000 = 1.6 seconds

The correct option is B
1.6 seconds

Speed = $\frac{D i s t a n c e}{T i m e t a k e n}$

Time taken = $\frac{D i s t a n c e}{S p e e d}$

Distance = 8 km = 8000 m

Speed = 5000 m/s

Time taken = $\frac{8000}{5000}$ = 1.6 seconds