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which graph represents the angular velocity as function of time in which the magnitude of angular velocity is contiguously decreasing? a) upward curve from origion with w on y axis and time on x axis b)upward straight line from constant on y axis c)downward straight line from constant on yaxis d) down parabola from origion

which graph represents the angular velocity as function of time in which the magnitude of angular velocity is contiguously decreasing?
a) upward curve from origion with w on y axis and time on x axis
b)upward straight line from constant on y axis
c)downward straight line from constant on yaxis
d) down parabola from origion

Grade:12

2 Answers

vikas dhanaliya
20 Points
8 years ago

the answer is option (d)that is down parabola from origin

Akash Kumar Dutta
98 Points
8 years ago

Dear Siddharth,

As to me....since the angular velocity is continously decreasing so angular acc.(a) is constant.

we know  (delta)w=at..........since w(f)=w(i) + at

hence w is proptional to t

the graph should be a straight line starting from y axis at some point and ending at x axis at some time.

Regards.

Akash.

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