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ACM1 General Motion Quiz

Quiz by ACMupasi

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5 questions
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  • Q1

    1 A train runs along a level track at a velocity of 5 m s−1.

    The driver presses the accelerator, causing the train to accelerate at 2 m s−2.

    Themotion of the train is defined by the equation s = ut + ½at2where: s is displacement (the distance travelled) (m) u isinitial velocity (m s−1) t is time (s) a isacceleration (m s−2).

    Calculate the time thetrain takes to travel a distance of 6 m

    1 s

    1 s

    -6 s

    6 s

    120s
  • Q2

    2 A ball is thrown vertically upwards with an initial velocity of 16 m s−1. The height reached by the ball is given by the equation h = ut − ½ gt2where: h is the vertical height (m) u is the initial vertical velocity (m s−1) t is time (s) g is the gravitational field strength (9.81 m s−2) Calculate the values of t at which the height of the ball is 6 m above the point where it was released.

    2.432 s

    o.432 s

    3.432s

    1.432 s

    30s
  • Q3

    3 A ball at the end of a string is revolving uniformly in a horizontal circle of radius 2metres at constant angular speed 10 rad/s. Determine the magnitude of the linear velocity of a point located :

    •     0.5 metres from the centre

    50m/s

    0.5 m/s

    5 m/s

    2.5m/s

    30s
  • Q4

    4 A ball at the end of a string is revolving uniformly in a horizontal circle of radius 2metres at constant angular speed 10 rad/s. Determine the magnitude of the linear velocity of a point located :

    •    1 metre from the centre

    15 m/s

    1.0 m/s

    12 m/s

    10 m/s

    30s
  • Q5

    5  A ball at the end of a string is revolving uniformly in a horizontal circle of radius 2 metres at constant angular speed10 rad/s. Determine the magnitude of the linear velocity of a point located :

    •    2 metres from the centre

    20 m/s

    12 m/s

    2.0 m/s

    40 m/s

    30s

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