`(-v^(2)sinv)/(v.sinv + cosv)`
find the derivativ with respect to `v`

Velocity of light ray in two media A and Bare v_(1) and v_(2) respectively. What is the refractive index of A with respect to B?

Velocity of light ray in two media A and Bare v_(1) and v_(2) respectively. What is the refractive index of B with respect to A?

Find v_2 .

Find the value of v in equation v/3 + 2 = 4

A, B, C, D, P, and Q are points in a uniform electric field. The potentials at these points are V(A) = 2 V. V(P) = V( B) = V(D) = 5 V , and V(C) = 8 V . Find the electric field at P. .

A plenet moving along an elliptical orbit is closest to the sun at a distance r_(1) and farthest away at a distance of r_(2) . If v_(1) and v_(2) are the linear velocities at these points respectively, then the ratio (v_(1))/(v_(2)) is

The velocity v and displacement x of a particle executing simple harmonic motion are related as v (dv)/(dx)= -omega^2 x . At x=0, v=v_0. Find the velocity v when the displacement becomes x.

A resistor R is connected in series with a coil. The system is subjected to an AC supply of peak voltage V_(0) . If the peak voltages dropped across the resistor R and the coil are V_(1) and V_(2) respectively (a) The powerr dissipated in the coil is (V_(0)^(2) - V_(1)^(2) - V_(2)^(2))/(2R) The power dissipated in the circuit is (V_(0)^(2) + V_(1)^(2) - V_(2)^(2))/(2R)

Two identical photocathodes receive light of frequencies v_(1) and v_(2) . If the velocities of the photoelectrons (of mass m) coming out are respectively v_(1) and v_(2) . then