Physics, asked by raghav152, 1 year ago

A body of mass m has a velocity v. If the mass of the body increases 81 times but the kinetic energy remains same calculate the new velocity.

Answers

Answered by gohan1
5
velocity decrease by 9 times.
raghav152: PLEASE SOLVE THE FULL SUM AND SEND
gohan1: let change in velocity be X , 1/2 mv² =1/2× 81m×Xv² , now slove it u will get the ans
gohan1: its 1/2×81m×(Xv)²
Previous Question
Next Question
Similar questions
Science, 7 months ago
which of the following is/are produced by bacteria a) curd b) cheese c) antibiotics d) all of these​...
Science, 7 months ago
3. How do migratory birds know about the direction?​
Social Sciences, 7 months ago
what is mediterranean...............​
English, 1 year ago
One minute speech on brain drains ?
Math, 1 year ago
if cosec theta =2, find the value of 1/tan theta +sin theta/1+cos theta...
India Languages, 1 year ago
Just tryHow do u write "2 December.2016" in 5 letters without using numbers?Just try this IAS question How do u write "2 December.2016" in 5 letters without using numbers??
English, 1 year ago
diet for a 15 year old lady...
English, 1 year ago
Write a letter to the principal of your school, requesting him to instruct the incharge of the canteen to provide healthy and nutritious food and to do away with junk food...