Given that the lengths of the paths of a ball thrown with different speeds by two boys are the same. If they take 0.6 seconds and 1 second respectively to cover the said length. What is the average speed of travel for the first throw if the same for the second is 96 km/hr?
Show answer & explanation
Correct answer: A
Explanation
Correct Answer is option 1 i.e. 160 km/hr
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Concept |
Understanding |
Application |
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Speed = distance/time |
Time taken = 0.6 and 1 second Speed of 2nd ball = 96 km/hr |
Length covered by 2nd ball = 96 × 5/18 Since the length covered by both balls is same: Speed of 1st ball = 96 × 5/18 × 1/0.6 × 5/18 = 160 km/hr |