In ground to ground projectile motion under gravity, which of the following doesn't affect the time of flight?

Question

In ground to ground projectile motion under gravity, which of the following doesn't affect the time of flight? (A) rotation of earth (B) air resistance (C) curvature of earth (D) all of these

Tardigrade Admin · Accepted Answer

Since the time of flight only depends upon the vertical component of projection velocity, rotation of the earth doesn't affect the time of flight

Q. In ground to ground projectile motion under gravity, which of the following doesn't affect the time of flight?

rotation of earth

air resistance

curvature of earth

all of these

Since the time of flight only depends upon the vertical component of projection velocity, rotation of the earth doesn't affect the time of flight