JEE Main 2021 — Laws Of Motion Question with Solution
From: JEE Main 2021 (Online) 26th August Morning Shift
Question
The initial mass of a rocket is 1000 kg. Calculate at what rate the fuel should be burnt so that the rocket is given an acceleration of 20 ms-2. The gases come out at a relative speed of 500 ms1 with respect to the rocket : [Use g = 10 m/s2]
Choose an option
Show full solutionCorrect option: D
Correct answer
D60 kg s1
Step-by-step explanation
= (60 kg /s)
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This is a previous-year question from JEE Main 2021, covering the Laws Of Motion chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.