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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.
Related Questions: - If the red light is replaced by blue light illuminating the object in a microscope
- A cord is wound round the circumference of wheel of radius
- One-fourth length of a spring of force constant K is cut away. The force constant
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Topics: Laws of Motion
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If the red light is replaced by blue light illuminating the object in a microscope
- A cord is wound round the circumference of wheel of radius
- One-fourth length of a spring of force constant K is cut away. The force constant
- Electrons used in an electron microscope are accelerated by a voltage of 25 kV
- If two vectors are equal in magnitude and their resultant is also equal in magnitude
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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