A particle moves in such a way that in the spherical polar coordinate system, its motion is described by the properties that 0 is constant, and r = r,e“. Both r, and e are constants. (a) Determine the condition on ɛ such that the particle's radial acceleration becomes zero. (b) When the radial acceleration is zero, is the radial velocity constant? [Caution. Write down the vector expressions for velocity and acceleration before you attempt a quick answer to this question].

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P2.14
A particle moves in such a way that in the spherical polar coordinate system, its motion is
described by the properties that 0 is constant, and r = re“. Both r, and e are constants.
(a) Determine the condition on ɛ such that the particle's radial acceleration becomes
zero. (b) When the radial acceleration is zero, is the radial velocity constant? [Caution. Write
down the vector expressions for velocity and acceleration before you attempt a quick answer
to this question].
Transcribed Image Text:P2.14 A particle moves in such a way that in the spherical polar coordinate system, its motion is described by the properties that 0 is constant, and r = re“. Both r, and e are constants. (a) Determine the condition on ɛ such that the particle's radial acceleration becomes zero. (b) When the radial acceleration is zero, is the radial velocity constant? [Caution. Write down the vector expressions for velocity and acceleration before you attempt a quick answer to this question].
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