Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) A small steel sphere of mass m is falling vertically through a viscous liquid with a constant speed v. Which row in the table correctly describes the changes with time in the kinetic energy and gravitational potential energy of the sphere?Kinetic EnergyGravitational Potential Energy(A)constant and equal to `1/2 mv^2`decreases at a rate of mgv(B)constant and equal to `1/2 mv^2`decreases at a rate of `(mgv-1/2 mv^2)`(C)increase at a rate of mgvdecreases at a rate of mgv(D)increase at a rate of mgvdecrease at a rate of `(1/2 mv^2-mgv)` - Sarthaks eConnect
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A small steel sphere of mass m is falling vertically through a viscous liquid with a constant speed v. Which row in the table correctly describes the changes with time in the kinetic energy and gravitational potential energy of the sphere?


Kinetic EnergyGravitational Potential Energy
(A)constant and equal to `1/2 mv^2`decreases at a rate of mgv
(B)constant and equal to `1/2 mv^2`decreases at a rate of `(mgv-1/2 mv^2)`
(C)increase at a rate of mgvdecreases at a rate of mgv
(D)increase at a rate of mgvdecrease at a rate of `(1/2 mv^2-mgv)`
A.

(A)

B.

(B)

C.

(C)

D.

(D)