Kinematics Question 502
Question: An aeroplane is flying horizontally with a velocity of 600 km/h at a height of 1960 m. When it’s vertically at a point A on the ground, a bomb is released from it. The bomb strikes the ground at point B. The distance Ab is [CPMT 1996; JIPMER 2001, 02]
Options:
A) 1200 m
B)0.33 km
C) 3.33 km
D)33 km
Show Answer
Answer:
Correct Answer: C
Solution:
Horizontal displacement of the bomb AB = Horizontal velocity × time available $ AB=u\times \sqrt{\frac{2h}{g}} $
$ =600\times \frac{5}{18}\times \sqrt{\frac{2\times 1960}{9.8}} $
$ =3.33Km. $
