| ⇦ | 
| ⇨ |
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: - The equations of motion of a projectile are given by x=36 t metre and 2y=96t-9.8t²
- The temperature of a metal block is increased from 27⁰C to 84⁰C. The rate of radiated energy
- Oil spreads over the surface of water where as water does not spread
- The magnetic moment has dimensions of
- When germanium is doped with phosphorus what type of semiconductor is produced?
Topics: Work Energy and Power
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The equations of motion of a projectile are given by x=36 t metre and 2y=96t-9.8t²
- The temperature of a metal block is increased from 27⁰C to 84⁰C. The rate of radiated energy
- Oil spreads over the surface of water where as water does not spread
- The magnetic moment has dimensions of
- When germanium is doped with phosphorus what type of semiconductor is produced?
Topics: Work Energy and Power (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply