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The string of a pendulum is horizontal. Mass of the bob is m. Now the string is released, what is the tension in the string at lowest position Ans) If string length is L, Conserving energy, velocity at lowest point is (2gL)1/2 Centripetal force mv2/L= 2mg. T- mg= mv2/LT= 3mg
A 35-kg child is riding on a swing that rises to a maximum height of 0.80 m. Neglecting friction, what is the child's gravitational potential energy at the top of the swing?
Using cross belts cross the belt on the spool pulleys used in C 1 above and turn one of the pulleys. Note that they now turn in opposite directions.
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Why it is in general considered easier to determine the electric potential at a given point in space or at a given set of points in space due to a continuous charge distribution th
Static limit: The distance through a rotating black hole where no observer can probably remain at rest (w.r.t. the distant stars) due to inertial frame dragging; this region i
a. Describe the radiation resistance of an antenna. b. With sketch, explain the feed mechanism of a parabolic reflector c. Explain the given term:- (i) Horn Antenna (ii
lumen; lm: The derived SI unit of luminous flux, described as the luminous flux emitted through a uniform point source of 1 cd emitting its luminous energy on a solid angle of
How do i find the freefall of an object?
Describe electric current, mobility of charge and drift velocity carriers in a conductor.Derive the relation between drift velocity of charge carriers and electric current in a con
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