Physics, asked by warrior12, 1 year ago

Derive the second equation of motion s=ut+1\2at2


sanya55: do u know integration ?
sanya55: if not then it is only using graphical method
warrior12: no actually i am in class 9 so i don't have integration yet
sanya55: then only graphical method is there
warrior12: plz do it numerically
warrior12: but do it numerically plzzzzzzzzzzz
sanya55: I don't know
sanya55: I can only do by integration
warrior12: ok
warrior12: do it by integration

Answers

Answered by sanya55
13
Second equation of motion -

S=ut+1/2at^2

Using

V= ds/dt

Vdt=ds

Integrating both sides

We have ,

S=V( t-0)

S=vt

Putting v= u+at

S=u+at^2


Hope it helps you




sanya55: then I cross multiplied
sanya55: so we got vdt=ds
sanya55: ok?
warrior12: ok
sanya55: then before integrating we have to use limits
sanya55: so initial time =0 and final time =t
sanya55: similarly initial displacement =0 and final is S
sanya55: when we apply the limits we subtract the initial and final limits
warrior12: hey can u do it graph I call
warrior12: graphically
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