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anonymous
 4 years ago
a particle is projected with velocity 9m/s up a line of greatest slope of a smooth plane inclined at an angle a to the horizontal where sin a=4/7. find the speed of the particle when it has travelled 5m up the plane.
anonymous
 4 years ago
a particle is projected with velocity 9m/s up a line of greatest slope of a smooth plane inclined at an angle a to the horizontal where sin a=4/7. find the speed of the particle when it has travelled 5m up the plane.

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AravindG
 4 years ago
Best ResponseYou've already chosen the best response.0u get a by taking arcsin 4/7

AravindG
 4 years ago
Best ResponseYou've already chosen the best response.0srry i gota do my problems bye i am sure smone else will help

AravindG
 4 years ago
Best ResponseYou've already chosen the best response.0use s=ut+1/2 at^2 for horizontal component and get time substitute this time in any other eqn to get ur v

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0i get the answer 11.71m/s using formula s=vt1/2at^2. is it correct?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0use equation v^2=u^2+2as

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0\[mg \sin \Theta =ma\] sin theta=4.7

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0so our formula is matched but final a isn't

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0a=g(sin a) & \[v=\sqrt{(v _{0}^{2}+2as)}\]

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0then,u get same answer as me or not?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0i distracted no .never mind i'll find it

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0i think 4.99 is correct hence particles velocity ought be decreased
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