Question
Question: The radius vector of a point A relative to the origin varies as r = at\(\widehat{i}\) + bt<sup>2</su...
The radius vector of a point A relative to the origin varies as r = ati + bt2jwhere a and b are positive constants. Find the equation of trajectory.
A
y = a2bx2
B
y2 = a2bx
C
y = ba2x2
D
None of these
Answer
y = a2bx2
Explanation
Solution
x = at, y = bt2 or y = b(x/a)2.