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The light speed is 3.0 xx 10^(8) m//s, a...

The light speed is `3.0 xx 10^(8) m//s`, and the sound speed is 340 m/s. Find the value of count N, if ''A child start counting after every second, he sees a bomb blast 1km away and stops when he hear its 'blast sound."

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PHYSICS GALAXY - ASHISH ARORA-KINEMATICS-Practice Exercise
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  2. The light speed is 3.0 xx 10^(8) m//s, and the sound speed is 340 m/s....

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  3. Two cars travelling in parallel lanes at 90 kph and 72 kph. Assuming e...

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  4. A point traversed half of the total distance covered by its with veloc...

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  9. A bike starts from rest and accelerates at 4 m//s^(2) for 5.0 s. It th...

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  12. A truck travelling along a straight road at a constant speed of 72 kph...

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  14. A driver having a definite reaction time is capable of stopping his ca...

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  15. A point moving with constant acceleration from A to B in the straight ...

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  16. A train is targeted to run from Delhi to Pune at an average speed of 8...

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  17. A train of length l=350m starts moving rectilinearly with constant ac...

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  18. Two cars travelling towards each other on a straight road at velocity ...

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  19. Two bodies start moving in the same straight line at the same instant ...

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