[" If retardation produced by air resistance of a projectile is one-tenth of acceleration due "],[" to gravity,the time to reach maximum height "]

If retardation produced by air resistances to projectile is one-tenth of acceleration due to gravity, the time to reach maximum height approximately-

If retardation produced by air resistances to projectile is one-tenth of acceleration due to gravity, the time to reach maximum height approximately-

Acceleration due to gravity is maximum at

Acceleration due to gravity is maximum at

The value of acceleration due to gravity is maximum at

The acceleration due to gravity at the surface of the earth is maximum at :

The value of acceleration due to gravity is maximum at____