Class IX

 From the figure the body is moving with
  1. Variable Acceleration
  2. Constant Acceleration
  3. Zero Acceleration
  4. Zero velocity
  A scalar quantity has ?
  1. Magnitude only
  2. Direction only
  3. Both direction and magnitude
  4. Noe of this
A train moving with a uniform speed of 54 kmph . What is its speed in m/s ?
  1. 15 m/s
  2. 1.5 m/s
  3. 9 m/s
  4. 90 m/s
  The equation v = u + at gives information as
  1. Velocity is a function of time .
  2. Velocity is a function of position.
  3. Positon is a function of time.
  4. Positon is function of velocity and time.
  The acceleration of a body from a velocity ?time graph is
  1. Equal to the slope of the graph
  2. Is denoted by a line parallel to the time axis at any point on the distance axis
  3. Area under the graph
  4. Is denoted by a line parallel to the distance axis at any point on the time axis
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