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A man throws balls with the same speed vertically upwards one after the other at an interval of 2 s.What should be the speed of the throw,so that more than two balls are in the sky at any time? (take,g=9.8ms⁻²)
Options
(a) Any speed less than 19.6 ms⁻¹
(b) only with speed 19.6ms⁻¹
(c) More than 19.6 ms⁻¹
(d) At least 9.8 ms⁻¹
Correct Answer:
More than 19.6 ms⁻¹
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Motion in Straight Line
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The instantaneous values of alternating current and voltages in a circuit are given as
- 540 g of ice at 0° C is mixed with 540 g of water at 80° C. The final temperature
- The velocity of sound is V, in air. If the density of air is increased to four times
- A coil has resistance 30 ohm and inductive reactance 20 ohmn at 50 Hz frequency.
- In cyclotron, for a given magnet, radius of the semicircle traced by positive ion
Topics: Motion in Straight Line (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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