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A block of mass 5 kg is moving horizontally at a speed of 1.5 m/s. A perpendicular force of 5 N acts on it for 4 sec. What will be the distance of the block from the point where the force started acting?
Options
(a) 6 m
(b) 8 m
(c) 10 m
(d) 2 m
Correct Answer:
10 m
Explanation:
Horizontal distance,x=ut ⇒1.5 x 4 = 6m
Vertical distance,y=(1/2)at² = (1/2)(F/m)t²
Two motions are in mutually perpendicular directions. Net displacement = √(6²+8²) = √(36+64) =√100 = 10m.
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- The electric potential at a point in free space due to a charge Q coulomb is Q x 10¹¹ v
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Topics: Laws of Motion
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The work of 146 kJ is performed in order to compress one kilo mole fo gas adiabatically
- The electric potential at a point in free space due to a charge Q coulomb is Q x 10¹¹ v
- Water drops fall from a top on the floor 5 m below at regular intervals
- A boy is trying to start a fire by focusing sunlight on a piece of paper using
- A solenoid 1.5 m long and 0.4 cm in diameter possesses 10 turns per cm length
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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