## Recent Questions

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### If The Kinetic Energy Of A Body Is Increased Two Times, Its Momentum Will

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Modified 7 Months and 24 Days Ago Lopamudra

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### Two Balls Of Masses 2 G And 6 G Are Moving With Kinetic Energy In The Ratio Of 3 : 1. What Is The Ratio Of Their Linear Momenta?

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Modified 7 Months and 24 Days Ago Pippa

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### A Body Of Mass 5 Kg Is Thrown Vertically Up With A Kinetic Energy Of 490 J. The Height At Which The Kinetic Energy Of The Body Becomes Half Of The Original Value Is

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Modified 7 Months and 24 Days Ago Ella

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### Two Bodies Of Masses M1 And M2 Are Acted Upon By Constant Force F For A Time T. They Start From Rest And Acquire Kinetic Energies E1 And E2, Respectively. Then, E1/E2 Is

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Modified 7 Months and 24 Days Ago David

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### Potential Energy Of A Particle Is To Î± Coordinate By Equation X^2 - 2x Will Be Equilibrium At

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Modified 7 Months and 24 Days Ago Mirai

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### A Particle Of Mass 4m Which Is At Rest Explodes Into Three Fragments. Two Of The Fragments Each Of Mass M Are Found To Move With A Speed V Each Mutually Perpendicular Directions. The Total Energy Rele

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Modified 7 Months and 24 Days Ago Sebastian

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### The Magnitude Of Momentum Of Particle Is Increased By 100%. The Increase In Its Kinetic Energy Is

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Modified 7 Months and 24 Days Ago David

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### A Particle Which Is Constrained To Move Along The X-axis, Is Subjected To A Force In The Same Direction Which Varies With The Distance X Of The Particle From The Origin Is F (x) = - Kx + Ax^3 . Here K

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Modified 7 Months and 24 Days Ago Faith

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### A Spring Of Force Constant 800 Nm^-1 Has An Extension Of 5cm. The Work Done In Extending It From 5 Cm To 15 Cm Is

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Modified 7 Months and 24 Days Ago Anthony

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### A Bullet Of Mass 10 G Is Fired Horizontally With A Velocity 1000 Ms^-1 From A Rifle Situated At A Height 50 M Above The Ground. If The Bullet Reaches The Ground With A Velocity 500 Ms^-1, The Work Don

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Modified 7 Months and 24 Days Ago Neil

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### If W1, W2, And W3 Represent The Work Done In Moving A Particle From A To B Along Three Different Different Paths 1,2 And 3 Respectively (as Show )in The Gravitational Field Of A Point Mass M, Find The

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Modified 7 Months and 24 Days Ago Hannah

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### An Ideal Spring With Spring-constant K Is Hung From The Ceiling And A Block Of Mass M Is Attached To Its Lower End. The Mass Is Released With The Spring Initially Unstretched. Then The Maximum

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Modified 7 Months and 24 Days Ago Brandon

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### A Particle Of Mass 100 G Is Thrown Vertically Upwards With A Speed Of 5 Ms^-1. The Work Done By The Force Of Gravity During The Time, The Particle Goes Up Is

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Modified 7 Months and 24 Days Ago Steven

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### A Mass Of M Kg Is Suspended By A Weightless String. The Horizontal Force That Is Required To Displace It Until The String Makes An Angle Of 45Â° With The Initial Vertical Direction Is

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Modified 7 Months and 24 Days Ago Colin

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### A Body Moves A Distance Of 10 M Along A Straight Line Under A Action Of 5 N Force. If Work Done Is 25 J, Then Angle Between The Force And Direction Of Motion Of The Body Will Be

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Modified 7 Months and 24 Days Ago Gavin

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### When A Spring Is Stretched By A Distance X It Experts A Force Given By F (- 5x - 16x^3) N The Work Done When The Spring Stretched From 0.1 M To Done When The Spring Is Stretched From

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Modified 7 Months and 24 Days Ago Claire

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### 4 M^3 Of Water Is To Be Pumped To A Height Of 20 M And Forced Into A Reservoir At A Pressure Of 2 X 10^5 Nm^-2. The Work Done By The Motor Is (given, External Pressure =10^5 Nm^-2)

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Modified 7 Months and 24 Days Ago Stephanie

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### A Tennis Ball Is Dropped On A Horizontal Smooth Surface. It Bounces Back To Its Original Position After Hitting The Surface. The Force On The Ball During The Collision Is Proportional To The Length Of

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Modified 7 Months and 24 Days Ago Sarah

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### A Tennis Ball Is Dropped On A Horizontal Smooth Surface. It Bounces Back To Its Original Position After Hitting The Surface. The Force On The Ball During The Collision Is Proportional To The Length Of

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Modified 7 Months and 24 Days Ago Ian

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### The Work Done By A Force Acting On A Body Is As Shown In The Graph. The Total Work Done In Covering An Initial Distance Of 20 M Is

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Modified 7 Months and 24 Days Ago Katherine

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### A Spring Of Force-constant K Is Cut Into Two Pieces Such That One Piece Is Double The Length Of The Other. Then The Long Piece Will Have A Force-constant Of

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Modified 7 Months and 24 Days Ago Donna

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### If W1, W2 And W3 Are The Work Done In Moving A Particle From A And B Along Three Different Paths 1, 2 And 3 Respectively (as Shown) In The Gravitational Field Of A Point Mass M, The Relation Between W

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Modified 7 Months and 24 Days Ago Sonia

43 views

### The Work Done On A Particle Of Mass By A Force K[x/x^2 + Y^2 I + Y/(x^+y^2) 3/2 J ] K Bring A Contract Of Appropriate Dimensions When The Particle Is Taken From The Point (a,b) To The Point (0,a)

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Modified 7 Months and 24 Days Ago Charles

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### A Block Of Mass 2 Kg Is Free To Move Along The X-axis. It Is At Rest And From T = 0 Onwards It Is Subjected To A Time-dependent Force F(t) In The X Direction. The Force F(t) Varies With T As Shown In

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Modified 7 Months and 24 Days Ago Fiona

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### When A Rubber Band Is Stretched By A Distance X, It Exerts A Restoring Force Of Magnitude F = Ax + Bx^2, Where A And B Are Constants. The Work Done In Stretching The Unstretched Rubber Band By L Is

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Modified 7 Months and 24 Days Ago Taara

53 views

### A Piece Of Wire Is Bent In The Shape Of A Parabola Y = Kx^2 (y-axis Vertical) With A Bead Of Mass M On It. The Bead Can Slide On The Wire Without Friction. It Stays At The Lowest Point Of The Parabola

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Modified 7 Months and 24 Days Ago Warren

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### A Ball Is Dropped From Height 20 M. If Coefficient Of Restitution Is 0.9 What Will Be The Height Attained After First Bounce?

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Modified 7 Months and 24 Days Ago Bernadette

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### For Inelastic Collision Between Two Spherical Rigid Bodies

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Modified 7 Months and 24 Days Ago Paul

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### A Particle Moves From A Point

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Modified 56 Year Ago Rishab

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### A 50kg Man With 20kg Load On His Head Climbs Up 20 Steps Of 0.25m Height Each

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Modified 56 Year Ago Joe