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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 vector sum of two forces is perpendicular to their vector difference. In that case,
- The thermo e.m.f. E in volts of a certain thermocouple is found to vary
- A beam of light of wavelength 590 nm is focussed by a converging lens of diameter
- In an A.C circuit of capacitance the current from potential is
- The ionisation potential of hydrogen-atom is -13.6 eV. An electron in the groundstate
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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