Which of the following optiona correctly...

Which of the following optiona correctly describes the variation of the speed `upsilon` and acceleration `a` of a point mass falling vertically in a viscous medium that applies a force F=-KC where K is a constant on the body ? (graphs are schematic and not drawn to scale)

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Which of the following option correctly describes the variation of the speed and acceleration 'a' of a point mass falling vertically in a viscous medium that applies a force F=-kv , where 'k' is constant, on the body? (Graphs are schematic and drawn to scale)

In a uniform electric field, a point charge of mass m and charge q is released from rest. If there are no other forces acting on the particle, then which of the following graphs, correctly show the dependence of the particles speed v on the distance x travelled by the particles speed v on the distance x travelled by it? [Graphs are schematic and not drawn to scale]

Two stones are thrown up simultaneously from the edge of a cliff 240 m high with initial speed of 10 m//s and 40 m//s respectively . Which of the following graph best represents the time variation of relative position of the speed stone with respect to the first ? ( Assume stones do not rebound after hitting the groumd and neglect air resistance , take g = 10 m//s^(2)) ( The figure are schematic and not drawn to scale )

Two stones are through up simultaneously from the edge of a cliff 240 m high with initial speed of 10 m/s and 40 m/s respectively. Which of the following graphs best represents the time variation of relative position of the second stone with respect to the first? Assume stones do not rebound after hitting the ground and neglect air resistance, take . g= 10 m//s^(2) (The figures are schematic and not drawn to scale)

A mass m is performing linear simple harmonic motion, then which of the following graph represents correctly the variation of acceleration a corresponding to linear velocity upsilon ?

A small point mass carrying some positive charge on it, is released from the edge of a table. There is a uniform electric field in this region in the horizontal direction. Which of the following options then correctly describe the trajectory of the mass? (Curves are drawn schematically and are not to scale).

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