Kinematics of a Particle: Rectilinear Kinematics

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

1) If a = (2t) m/s2, where t is in seconds, calculate the particle's velocity when t = 2s. When t = 0, Vo = 2m/s.

v = ?

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

2) If s = (4t2) m, calculate the particle's acceleration at t = 2s.

a = ?

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

3) If s = (3t2) m, where t is in secs, calculate the particle velocities when t = 1s.

v = ?

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

4) The particle shown in the figure travels from A to B in 1s, it then travels from B to C in 1s. Calculate the average speed during the entire time period.

v = ?

One answer only.
   1 m/s
   3 m/s
   5 m/s
   -2 m/s
   none of the above

5) cont....What is the average velocity?

v = ?

One answer only.
   1 m/s
   2 m/s
   -1 m/s
   -5 m/s
   none of the above

6) When t = 0 a particle is located at s = 3m and has a velocity of v = 2 m/s. If its acceleration is a = 2m/s2, determine its position when t = 1s.

s = ?

One answer only.
   3 m
   5 m
   6 m
   8 m
   none of the above

7) A ball is tossed downward from A with an initial speed of VA = 2m/s. If it takes 1 second to strike the ground, determine height h.

h = ?

One answer only.
   2.9 m
   4.9 m
   6.9 m
   9.81 m
   none of the above

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