| ⇦ | 
| ⇨ |
A ball is thrown vertically downwards from a height of 20 m with an initially velocity v₀. It collides with the ground, loses 50 percent of its energy in collision and rebunds to the same height. The initial velocity v₀ is (Take g=10 ms⁻²)
Options
(a) 28 ms⁻¹
(b) 10 ms⁻¹
(c) 14 ms⁻¹
(d) 20 ms⁻¹
Correct Answer:
20 ms⁻¹
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions:
- If a gymnast, sitting on a rotating stool with his arms outstretched, suddenly
- Three solids of masses m₁,m₂ and m₃ are connected with weightless string
- For a thermocouple, the neutral temperature is 270⁰C when its cold junction is at 20⁰C.
- A coil of resistance and 1.0 H inductance is connected to an a.c. source of frequency
- Two racing cars of masses m₁ and m₂ are moving in circles of radii
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