Question

A small object of uniform density rolls up a curved surface with an initial velocity v it reaches up to a maximum height of 3v^2/4g with respect to the initial position the object is

Answer 1



Secondary School

Physics

5 points

A small object of uniform density rolls up a curved surface with an initial velocity v it reaches upto a maximum height of 3v²/4g with respect to the initial position. What is the object

Ask for details 

Follow 

Report

 byShekhartholia21 03.05.2018

Answers

Me · Beginner

Know the answer? Add it here!

kakkarvaishnavi 

Helping Hand

From the law of conservation of energy,
mgh = 1/2mv² + 1/2 Iω²
I = mk²(where, k= radius of gyration) and, ω = v²/r²
by solving the eq.,
v²= 2gh/1+(k²/r²)
put 'h' = 3v²/4g in this eq. and by solving, you'll get,
k²/r² = 1/2
which means, given object is a DISC