The motion of a particle moving in a circle in the x-y plane is described by the equation: Theta = omega * time
where Theta is the polar angle measured counter-clockwise from the + x-axis in radians, and r is the distance from the origin in m.
Given that r = 2.20
and
Theta = 5.84 * t
Calculate the x-coordinate of the particle (don't forget the appropriate units) at the time 3.70 s.
REMEMBER, the radius vector of the particle is a 2-dimensional vector lying in the xy plane. See Chapter 3 for determining the x and y components of a vector if you have forgotten. Theta is in radians so set your calculator correctly before computing the sine or cosine component of the angle in getting the x or y coordinate of the particle as asked.
Hint: The particle moves in a circle. Since R is constant, find theta at the time given, and use trigonometry to get the coordinate required.
2007-03-20
14:55:27
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2 answers
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asked by
Supa Fly
1
in
Science & Mathematics
➔ Physics