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High School/JEE/NEET/IPhO Physics | 17-19 Yrs

Mechanics

Heat & Thermodynamics

Oscillation & Waves

Properties of Matter

Gravitation

Electrostatics

Electric Current & Circuits

Magnetic Effects

Optics

Modern Physics

Kinematics

Illustration - 1 A Bullet Firing Toward a Balloon

Duration: 3.24 Min

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Illustration - 2 Non-Uniform Motion of a Particle

Duration: 4.09 Min

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Illustration - 3 Catching The Train at a Crossing

Duration: 4.17 Min

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Illustration - 4 Bouncing of a Ball on Staircase

Duration: 3.08 Min

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Illustration - 5 Stones Reaching Ground Together

Duration: 4.25 Min

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Illustration - 6 Measuring Height of a Building

Duration: 5.20 Min

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Illustration - 7 Time Required to Avoid Collision of a Car

Duration: 4.03 Min

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Illustration - 8 Calculation of a Tower Height

Duration: 4.20 Min

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Illustration - 9 A Bird Flies Along the Train

Duration: 3.30 Min

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Illustration - 10 Acceleration and Retardation in a Journey

Duration: 3.25 Min

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Illustration - 11 Ball Caught by a Fielder in a Cricket Match

Duration: 3.00 Min

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Illustration - 12 Distance and Displacement by v - t Curve

Duration: 2.14 Min

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Illustration - 13 Hailstones Rebounding off From a Windscreen

Duration: 3.47 Min

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Illustration - 14 A Fighter Plane Hit by Anti Aircraft Gun

Duration: 2.41 Min

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Illustration - 15 Time Varying Position Vector of a Particle in Motion

Duration: 4.16 Min

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Illustration - 16 Rectilinear Motion with Deceleration

Duration: 3.35 Min

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Illustration - 17 Maximum Time in Reaching Ground

Duration: 3.30 Min

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Illustration - 18 A Projectile Crossing Two Given Points

Duration: 4.28 Min

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Illustration - 19 A Projectile Grazing Over a Triangle

Duration: 3.31 Min

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Illustration - 20 A Cycle Crossing Busses Periodically

Duration: 5.11 Min

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Illustration - 21 A Stone Hitting a Flying Bird

Duration: 5.52 Min

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Illustration - 22 A Ball Rolling off a Stairway

Duration: 2.25 Min

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Illustration - 23 Maximum Range of Projectile From a Tower

Duration: 4.59 Min

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Illustration - 24 A Ball Clearing a Tower Projected from Another Tower

Duration: 3.52 Min

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Illustration - 25 Hitting a Berry in Shortest Time at a Given Speed

Duration: 4.15 Min

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Illustration - 26 Projection of Ball From a Truck

Duration: 4.34 Min

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Illustration - 27 Elastic Collision with a Wall

Duration: 4.05 Min

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Illustration - 28 A Swimmer Motorboat Following The Light House

Duration: 5.58 Min

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Illustration - 29 A Swimmer Crossing a River

Duration: 3.48 Min

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Illustration - 30 Throwing a Ball to hit a Rocket

Duration: 4.03 Min

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Illustration - 31 Projectile Between Inclined Planks

Duration: 6.48 Min

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Illustration - 32 Shortest Distance Between Two Planes

Duration: 4.33 Min

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Illustration - 33 Equal Components of Particle's Velocity

Duration: 2.26 Min

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Illustration - 34 A Stone Hitting a Bird

Duration: 4.31 Min

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Illustration - 35 Shots Fired From Top of a Hill

Duration: 4.31 Min

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Illustration - 36 Distance Travelled in 2D Motion

Duration: 2.53 Min

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Illustration - 37 Average Velocity in Projectile Motion

Duration: 5.25 Min

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Illustration - 38 Perpendicular Motion of Two Projectiles

Duration: 3.38 Min

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Illustration - 39 Chasing of One Particle by Another

Duration: 4.24 Min

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Illustration - 40 Collision of Two Fired Shells

Duration: 5.34 Min

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Illustration - 41 A Boat Crossing a River

Duration: 4.53 Min

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Illustration - 42 Projectile in a Sliding Chamber

Duration: 2.30 Min

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Illustration - 43 Mid-air Collision of Two Projectiles

Duration: 5.10 Min

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Illustration - 44 A Balloon Rising Above Earth

Duration: 3.28 Min

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Illustration - 45 Particle's Velocity in a Parabolic Motion

Duration: 5.36 Min

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Illustration - 46 Chasing a Cat by a Dog

Duration: 5.09 Min

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Illustration - 47 Curvature of a Trajectory

Duration: 3.04 Min

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Illustration - 48 Fluttering Flag Mounted on a Car

Duration: 4.47 Min

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Illustration - 49 A Ball Clearing a Wall

Duration: 3.35 Min

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Illustration - 50 Minimum Separation Between Two Projectiles

Duration: 4.14 Min

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Illustration - 51 Distance Between Dropped Stones

Duration: 6.23 Min

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Illustration - 52 Sliding Down an Inclined Plane

Duration: 5.00 Min

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Illustration - 53 A Floating Raft and Boat Going Downstream

Duration: 4.32 Min

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Illustration - 54 Separation of Events in Different Reference Frames

Duration: 5.18 Min

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Illustration - 55 Flag on a Ship Fluttering Due to Wind

Duration: 3.41 Min

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Illustration - 56 Cycling in Different Directions

Duration: 3.09 Min

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Illustration - 57 Polar Trajectory of Boat

Duration: 5.44 Min

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Illustration - 58 Firing a Shot on an Apple

Duration: 3.07 Min

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Illustration - 59 Average Speed in a Rectilinear Motion

Duration: 3.10 Min

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Illustration - 60 Projectile in Plane of an Inclined Plane

Duration: 4.34 Min

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Illustration - 61 Range of Particle on Inclined Plane

Duration: 4.40 Min

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Illustration - 62 One Plane Just Misses to Hit Another

Duration: 4.02 Min

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Illustration - 63 Maximum Height Attained by a Projectile

Duration: 2.24 Min

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Illustration - 64 Two Perpendicular Trips in a River

Duration: 4.36 Min

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Illustration - 65 Motion of a ball in Inclined Triangle

Duration: 3.29 Min

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why we use dr by dtheta as zero

4 years ago by Shreya Gupta

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There is a slight mistake in the ans. u^2- 2gh should be replaced by u^2 2gh

5 years ago by Abhishek Raj

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sir , there should be gh in answer , will you please check the third last step

5 years ago by aaditya chaturmohta

Ans 1 ->

positive gh , in place of negative .

5 years ago by aaditya chaturmohta

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can't we directly say that theta = arctan(u^2/Rg) after making dR/d@ = 0 ??

8 years ago by ABHISHEK MALAKAR

Ans 1 ->

we can ,but as a variable h is also given so we have to include that too in our answer

5 years ago by aaditya chaturmohta

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High School/JEE/NEET/IPhO Physics | 17-19 Yrs

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