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AIIMS MBBS> Motion in a plain problem...please help.....

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Motion in a plain problem...please help...question is given in the image....

Abhishek Dogra , 6 Years ago

Grade 11

1 Answers

Arun

Last Activity: 6 Years ago

Well, first we want to find the time in which the particle changes from a positive X speed, to a negative x speed, so we're looking for where x = 0.

If we use V = V0+at using initial velocity and acceleration, we get:
0 = 3 + -1(t)
t = 3

So, it changes direction along the x axis at 0, and that's it's max x. To find velocity, we use time and it's acceleration along the y axis, so...
V = V0+at
V = 0+.5(3)
V = 1.5 = Answer

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