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“when we exchange the lenses of compound microscope, then why it does not act as a telescope?”
ADITYA KIRAN asks:
“i’ve a beautiful doubt…normally we believe that nothing in dis world can cross cosmic limit…now suppose if 2 light particles(velocity=c) collide at right angles,,then their resultant will be [c*root2]…but that is greater than cosmic limit,right?????”
LET THE VISITORS RESPOND
In what sequence should these chapters be prepared for my exams:-
units and dimensions,kinematics,laws of motion,work power and energy,motion of system of particles and rigid body dynamics,gravitation.
Apoorv Katoch asked
It is better to follow the same pattern as given in NCERT text book
The speed of a train changes from36km/h to 72km/h in 10sec. calculate the distance travelled during this time
u=36km/h = 10 m/s
v=72 km/h=20 m/s
use v = u+ at to find a
a = 1 m/s2
Use v2-u2=2aS to find S
S = (400-100)/2 = 150 m
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Mr. N.P. Sahani asked:
“The differential equation and solution for finding the time of death of a patient”
See that the question is to find the time of death (Not predicting the time of death. I thought that when I read it first.)
I can give some links which will be helpful in this connection