Questions
A particle executing SHM of amplitude ‘a’ has a displacement at t = and a negative velocity. The epoch or initial phase of the particle is
detailed solution
Correct option is A
assuming the displacement equation is x= asinωt+ϕ =a2sinωt+ϕ =12 (here ωt=ωT4=π2) sin90 +ϕ=sin1500 ( as velocity is negative phase must be more than 900)ϕ =600Talk to our academic expert!
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One end of an ideal spring is connected with a smooth block with the other end with rear wall of driving cabin of a truck as shown in figure. Initially, the system is at rest. If truck starts to accelerate with a constant acceleration ‘a’ , then the block (relative to truck ):
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