Questions
If the block in the shown arrangement is acted upon by a constant force F for its maximum speed will be:
a
F2mK
b
2FmK
c
FmK
d
2FmK
detailed solution
Correct option is C
Speed will be maximum where a=0 F=kx ⇒x=FK→(1) 12kx2=12mv2→(2) (by work energy theorem)Equation (1) and (2) 12kF2k2=12mv2 ∴⇒v=FmkTalk to our academic expert!
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The kinetic energy acquired by a mass m in travelling a certain distance d starting from rest under the action of a constant force is directly proportional to
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