A bomb is dropped from an aeroplane flying horizontally with a velocity of 720 km/h at an altitude of 980 m. After what time, the bomb will hit the ground?
Physics · Kinematics part-2 Projectile Motion · Projectile from height
JEE Mains NEET

Question

A bomb is dropped from an aeroplane flying horizontally with a velocity of 720 km/h at an altitude of 980 m. After what time, the bomb will hit the ground?

G1 Physics · Accepted Answer

Horizontal speed does not affect fall time. t = √(2h/g) = √(1960/9.8) = √200 ≈ 14.14 s.