Curvilinear Motion: Normal and Tangential Coord

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Questions beginning with "cont...." follow on from the previous question.

1) A particle P is traveling around a circular path such that at the instant considered, the speed is 3m/s and increasing at 4m/s2. Calculate the magnitude of the particle's acceleration at this instant.

a = ?

One answer only.
   0 m/s2
   3 m/s2
   4 m/s2
   5 m/s2
   none of the above

2) When t = 0, s = 0.5, v = 1m/s. If v = (3t + 1) m/s, where t is in seconds, compute the distance s traveled by the particle when t = 1s.

s = ?

One answer only.
   3 m
   3.5 m
   4.5 m
   6 m
   none of the above

3) cont....What is the speed of the particle when t = 1s.

v = ?

One answer only.
   3 m/s
   4 m/s
   5 m/s
   6 m/s
   none of the above

4) cont....What is the acceleration of the particle when t = 1s?

a = ?

One answer only.
   2 m/s2
   3 m/s2
   4 m/s2
   5 m/s2
   none of the above

5) When s = 0, v = 0. If at = (4s) m/s2, where s is in meters, calculate the particle's speed when s = 1m.

v = ?

One answer only.
   2 m/s
   4 m/s
   5 m/s
   none of the above

6) cont...What is the magnitude of acceleration when s = 1m?

a = ?

One answer only.
   2 m/s2
   3 m/s2
   4 m/s2
   5 m/s2
   none of the above

7) A particle is traveling along a parabolic path with a constant speed of 2m/s. Determine the radius of curvature r (roa) at A.

r = ?

One answer only.
   0.5 m
   1 m
   1.5 m
   2 m
   none of the above

8) cont....What is the particle's acceleration at A.

a = ?

One answer only.
   1 m/s2
   2 m/s2
   4 m/s2
   8 m/s2
   none of the above

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