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An explosion breaks a rock into three parts in a horizontal plane. Two of them go off at right angles to each other. The first part of mass 1 kg moves with a speed of 12 ms⁻¹ and the second part of mass 2 kg moves with speed 8 ms⁻¹. If the third part flies off with speed 4 ms⁻¹ then its mass is
Options
(a) 5 kg
(b) 7 kg
(c) 17 kg
(d) 3 kg
Correct Answer:
5 kg
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Work Energy and Power
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A body of mass m is thrown upwards at an angle θ with the horizontal with velocity
- A liquid boils when its vapour pressure equals
- When you move from equator to pole, the value of acceleration due to gravity (g)
- In an LCR circuit, capacitance is changed from C to 2C. For the resonant frequency
- An electron is moving in a circular path under the influence of a transverse magnetic
Topics: Work Energy and Power (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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