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model question and previous year question how I prepare

Originally Posted by tosamaypatra

model question and previous year question how I prepare

Below are the attachments of Engineering entrance exam question papers of past few years. Please download them.

A time dependent force F=6t acts on a particle of a mass 1 Kg. If the particle starts from rest, the work done by the force during the first 1sec. will be:
(1). 18J
(2). 4.5J
(3). 22J
(4). 9J

Syllabus for entrance exams of b tech in DU are their any mental ability questions

A time dependent force F=6t acts on a particle of a mass 1kg . If the particle starts from rests the work done by the forced during the first 1sec.

Please! Sir... I need MES store keepers all previous questions... E-mail: [email protected]

Originally Posted by Unregistered

A time dependent force F=6t acts on a particle of a mass 1kg . If the particle starts from rests the work done by the forced during the first 1sec.

F=ma=6t
Given that m=1kg
So, a =6t
By the secound equation of motion
S=ut+1\2at2
=0 +3t2
=3t2
Given that t=1sec
So S=3m
Then work done W=FS=6.3=18J

Sir I'm arts students I don't know about physics. Maths, &chemistry so what I do?

How to download btech entrance exam previous years paper

B. Tech entrance exam model papers