NEET Class neet Answered
Please solve this question
Asked by brijk456 | 11 Aug, 2019, 12:29: AM
Expert Answer
Let initial velocity be v and kinetic energy (1/2)mv2
if velocity increased by 2 m/s, then kinetic energy (1/2) m (v+2)2
It is given that kinetic energy is doubled by increased velocity, i.e., (v+2)2 = 2v2 ................. (1)
eqn.(1) is simplified as, v2 - 4v - 4 = 0 ................ (2)
Roots of qutratic eqn.(2), v = 2±2√2 and realistic initial velocity is (2+2√2) m/s or 2(1+√2) m/s
Answered by Thiyagarajan K | 11 Aug, 2019, 08:11: AM
Application Videos
-
Growth of Current in L-R Circuit
In this video, the growth of current in RL circuit is explained. It include...
NEET neet - Physics
Asked by ramanjaneyuluoguru | 25 Apr, 2024, 04:18: PM
ANSWERED BY EXPERTNEET neet - Physics
Asked by shatakshibhatt9 | 20 Apr, 2024, 07:52: PM
ANSWERED BY EXPERT
NEET neet - Physics
Asked by praveenpriya000079 | 18 Apr, 2024, 07:24: AM
ANSWERED BY EXPERTNEET neet - Physics
Asked by gouranshi84 | 17 Apr, 2024, 05:23: PM
ANSWERED BY EXPERTNEET neet - Physics
Asked by sojusvi | 17 Apr, 2024, 01:12: PM
ANSWERED BY EXPERT
