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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.
Related Questions: - What is the Q-value of the reaction?
¹H+⁷Li→⁴He+⁴He
- If (range)² is 48 times (maximum height)², then angle of projection is
- A and B are two vectors and θ is the angle between them ,if |A x B|=√3(A.B),the value of θ
- Which of the two have same dimensions?
- Energy of all molecules of a monoatomic gas having a volume V and pressure P is 3PV/2.
Topics: Work Energy and Power
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- What is the Q-value of the reaction? ¹H+⁷Li→⁴He+⁴He
- If (range)² is 48 times (maximum height)², then angle of projection is
- A and B are two vectors and θ is the angle between them ,if |A x B|=√3(A.B),the value of θ
- Which of the two have same dimensions?
- Energy of all molecules of a monoatomic gas having a volume V and pressure P is 3PV/2.
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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