Questions
A particle moves so that its position vector varies with time as . The initial velocity of the particle is
detailed solution
Correct option is B
Substituting r→=(Acosωti^+Asinωtj^) in v→=dr→dt we have v→=Addt(cosωt)i^+Addt(sinωt)j^=−Aωsinωti^+Aωcosωtj^ At t=0,v=−Aωsin0i^+Aωcos0j^=Aωj^Talk to our academic expert!
Similar Questions
When a particle of mass m is suspended from a massless spring of natural length , the length of the spring becomes . When the same mass moves in conical pendulum as shown in figure, the length of the spring becomes L. The radius of the circle of conical pendulum is:
799 666 8865
support@infinitylearn.com
6th Floor, NCC Building, Durgamma Cheruvu Road, Vittal Rao Nagar, HITEC City, Hyderabad, Telangana 500081.
free study material
JEE Mock Tests
JEE study guide
JEE Revision Notes
JEE Important Questions
JEE Sample Papers
JEE Previous Year's Papers
NEET previous year’s papers
NEET important questions
NEET sample papers
NEET revision notes
NEET study guide
NEET mock tests
