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A boy playing on the roof of a 10m high building throws a ball with a speed of 10 m/s at an angle of 30⁰ with the horizontal. How far from the throwing point will the ball be at the height of 10 m from the ground(g=10 ms⁻²)?
Options
(a) 8.66 m
(b) 5.20 m
(c) 4.33 m
(d) 2.60 m
Correct Answer:
8.66 m
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Motion in Straight Line
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A long straight wire carrying current of 30A is placed in an external uniform
- An electric dipole of length 1 cm is placed with the axis making an angle of 30⁰
- Magnetic flux φ (in weber) linked with a closed circuit of resistance 10 Ω varies
- A magnetic force acting on a charged particle of charge -2µC in a magnetic field of 2T
- The following four wires are made of the same material. Which of these will have
Topics: Motion in Straight Line (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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R=u^2sin2@/g
R=10^2*sin(2*30°)/10
R=10*sin(60°)
R=10√3/2
R=5√3
R=8.66m