Is air resistance a onservative force?

Is air resistance a conservative force ?

Is the resistance due to air a conservative force ?

Bt is resistant to

An object falling from rest in air is subject not only to the gravitational force but also to air resistance. Assume that the air resistance is proportional to the velocity with constant of proportionality as k >0 , and acts in a direction opposite to motion (g=9. 8 m/(s^2))dot Then velocity cannot exceed. ( a ) 9.8/k" "m//s (b) 98/k" "m//s (c) k/9.8 m/s (d) None of these

A man of mass 50 kg is descending at a constant velocity using a parachute. What is the air resistance on the man?

The equivalent resistance of two resistances in series is four times the equivalent resistance when they are in parallel. If one of the resistances is R, then what would be the resistance of the other?

Two balls of different masses have the same volume. If the air resistance on both the balls are the same, prove that, when dropped from the same height, the heavier ball reaches the ground earlier.

A projectile thrown with an initial velocity of 10 ms^(-1) at an angle a with the horizontal, has a range of 5 m . Taking g=10 ms^(-2) and neglecting air resistance, what will be the estimated value of alpha ?