Published by:
CGP EDU Academic Team
Published on: September 12, 2026
The position of a particle moving in XY-plane varies with time
as
.
(i) What is the path traced by the particle?
(ii) When does the particle cross X-axis?
Text Solution
Verified by ExpertsThe correct answer is:
A
Given:
The position of the particle is defined by:
(i) Path Traced by the Particle:
To find the path traced by the particle, we can express y in terms of x. Since x = t, we can substitute this into the equation for y:
This represents the equation of a straight line with a slope of 3 and a y-intercept of -5.
(ii) When does the particle cross the X-axis?
A particle crosses the X-axis when y = 0. Setting the equation for y to zero:
Thus, the particle crosses the X-axis at time t = \frac{5}{3}.
Therefore, the path traced is a straight line, and it crosses the X-axis at t = \frac{5}{3}.
The position of the particle is defined by:
- x = t
- y = 3t - 5
(i) Path Traced by the Particle:
To find the path traced by the particle, we can express y in terms of x. Since x = t, we can substitute this into the equation for y:
- y = 3(t) - 5
- y = 3x - 5
This represents the equation of a straight line with a slope of 3 and a y-intercept of -5.
(ii) When does the particle cross the X-axis?
A particle crosses the X-axis when y = 0. Setting the equation for y to zero:
- 0 = 3t - 5
- 3t = 5
- t = \frac{5}{3}
Thus, the particle crosses the X-axis at time t = \frac{5}{3}.
Therefore, the path traced is a straight line, and it crosses the X-axis at t = \frac{5}{3}.
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