SATHEE: Kinematics Question 676

Kinematics Question 676

Question: At the height 80 m, an aeroplane is moving with 150 m/s. A bomb is dropped from it so as to hit a target. At what distance from the target should the bomb be dropped (given $g = 10 m / s^{2}$ )

Options:

A) 605.3 m

B) 600 m

C) 80 m

D) 230 m

Show Answer

Answer:

Correct Answer: A

Solution:

[a] The horizontal distance covered by bomb, $B C = v_{H} \times \sqrt{\frac{2 h}{g}} = 150 \sqrt{\frac{2 \times 80}{10}} = 660 m$

The distance of target from dropping point of bomb,

$A C = \sqrt{A B^{2} + B C^{2}} = \sqrt{{(80)}^{2} + {(600)}^{2}} = 605.3 m$

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Kinematics Question 676

Question: At the height 80 m, an aeroplane is moving with 150 m/s. A bomb is dropped from it so as to hit a target. At what distance from the target should the bomb be dropped (given g=10m/s2 )

Options:

Answer:

Solution:

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Question: At the height 80 m, an aeroplane is moving with 150 m/s. A bomb is dropped from it so as to hit a target. At what distance from the target should the bomb be dropped (given $g = 10 m / s^{2}$ )