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Q1. Calculate the energy loss in a perfectly inelastic collision if the mass of the object is 40kg with velocity 4m/s hits the object of mass 60kg with velocity 2m/s.

(a) 440J
(b) 110J
(c) 392J
(d) 48J

Q2. By how much does kinetic energy increase if the momentum is increased by 20%

(a) 55%
(b) 66%
(c) 44%
(d) 77%


0 votes
1 Answer
720 views

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 45° With The Initial Vertical Direction Is

Modified 20 Year Ago

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720
20 Year Ago

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 45° With The Initial Vertical Direction Is

0 votes
1 Answer
679 views

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

Modified 20 Year Ago

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679
20 Year Ago

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

0 votes
1 Answer
504 views

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

Modified 207 Year Ago

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504
207 Year Ago

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

0 votes
1 Answer
501 views

A Particle Of Mass 100g Thrown Vertically Upwards With A Speed Of 5m/s.

Modified 237 Year Ago

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501
237 Year Ago

A Particle Of Mass 100g Thrown Vertically Upwards With A Speed Of 5m/s.

0 votes
1 Answer
474 views

If Force And Displacement Of Particle In Direction Force Are Doubled.Work Would Be

Modified 237 Year Ago

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474
237 Year Ago

If Force And Displacement Of Particle In Direction Force Are Doubled.Work Would Be

0 votes
1 Answer
437 views

A Body Of Mass 5 Kg Is Placed At The Origin, And Can Move Only On The X-axis. The Work Done By The Force Is

Modified 237 Year Ago

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437
237 Year Ago

A Body Of Mass 5 Kg Is Placed At The Origin, And Can Move Only On The X-axis. The Work Done By The Force Is

0 votes
1 Answer
428 views

A Body Moves A Distance Of 10m Along A Straight Line Under The Action Of A Force Of 5 N.

Modified 237 Year Ago

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428
237 Year Ago

A Body Moves A Distance Of 10m Along A Straight Line Under The Action Of A Force Of 5 N.

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