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Relative motion JEE Chapterwise Analysis, Weightage and Overview
As much as the 1 question might make it look like a not-important chapter, this is far from the truth. Despite the lack of direct questions, it is heavily used in Rotational Motion which is the favourite chapter of the question setters. This is a must complete chapter. .
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List of important topics in Relative motion JEE
- (a) Minimum Distance Between Two Bodies In Motion
- (b) River-Boat Problems
Relative motion JEE Syllabus
- (a) Minimum Distance Between Two Bodies In Motion, (b) River-Boat Problems, (i) Condition When The Boatman Crosses The River In Shortest Interval Of Time, (ii) Condition when the boatman wants to reach point B, i.e., at a point just opposite from where he Started, (c) Aircraft Wind Problems, (d) Rain problems. Aircraft Wind Problems, Rain Problems.
Relative motion JEE Notes
| Relative motion jee | Download |
Relative motion JEE Test Series 2022,2023,2024
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| Paper set 1 | Download Questions | Download Solutions |
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Q. Two particles are simultaneously projected in the same vertical plane from the same point with velocities u and v at angles and with horizontal. If the time that elapses when their velocities are parallel is k(uvsin(α − β) )/ g|vcosβ − ucosα| , where k is a constant. Find the value of k.?
V 1 (t) =ucosα i ^ +(usinα−gt) j ^ v 2 (t) =vcosβ i ^ +(vsinβ−gt) j ^ when v 1 (t) ∥ v 2 (t) then vcosβ ucosα = (vsinβ−gt) (usinα−gt) ⇒t= g(vcosβ−ucosα) uvsin(α−β)
Q. what is a free fall?
In Newtonian physics, free fall is any motion of a body where gravity is the only force acting upon it. In the context of general relativity, where gravitation is reduced to a space-time curvature, a body in free fall has no force acting on it.
Q. What is critical angle in inclined plane problems ?
The critical angle is that angle at which component of g along the inclined plane is equal to the acceleration due to frictional force
Q. What is maxima minima ?
maxima is the maximum value of a function , and minima is the minimum value of the function