Hey there! We receieved your request
Stay Tuned as we are going to contact you within 1 Hour
One of our academic counsellors will contact you within 1 working day.
Click to Chat
1800-5470-145
+91 7353221155
Use Coupon: CART20 and get 20% off on all online Study Material
Complete Your Registration (Step 2 of 2 )
Sit and relax as our customer representative will contact you within 1 business day
OTP to be sent to Change
a smooth sphere A is moving on a frictionless horizontal plane with angular speed w and centre of mass velocity v. it collides elastically with another identical sphere b at rest. after collision their ang. sped are w1 and w2. then
A- w1 B- w1=w2 C- w1=w D- wb=w please explain the answer... answer given C. what will be the reelation in their linear speed. aftrer collision v1 will be zero... so how can it have angular velocity their???
B- w1=w2
C- w1=w
D- wb=w
please explain the answer... answer given C.
what will be the reelation in their linear speed. aftrer collision v1 will be zero... so how can it have angular velocity their???
if there is friction bw surfaces of two sphere then due to some frictional torque both sphere will loose some of its rotational KE in the form of heat .... it is given that collision is elastic so there is no change in rotational KE of both particles ...
angular velocity of each body is conserved ....
but for center of mass of both spheres velocity will become diffenrnt ...
from conservation of momentam
mv = mv1 + mv2
v1 + v2 = v ...................1
from conservation of KE
mv2 = mv12 + mv22 .................2
on solving these two eqns
v1 = 0 , v2 = v
these parameters are just after collision....
body dosent move continiously with angular velocity , its linear velocity starts increasing
& angular velocity decreases upto the instant when body starts pure rolling(v = wr) ....
Register Yourself for a FREE Demo Class by Top IITians & Medical Experts Today !