If a body starts from rest , its initial velocity is _____ .
(5) The unit of speed and velocity are the _____ .
(6) If the starting point and the end point are the same , the displacement is _____ .
(7) A body with decreasing positive velocity has a _____ acceleration.
(8) _____ is the magnitude of the velocity.
(9) If a body is moving with constant velocity , its acceleration is _____ .
(10) _____ is the rate of change of velocity.
(11) The velocity of a body is decreasing is has _____ acceleration.
(12) The equation v ̅ =(v_0+v)/2 can be used when the body is moving with _____ acceleration.
(13) Displacement does not depend on the _____ travel.
(14)Speed is a _____ quantity.
(15) Velocity has both _____ and direction.
(16) The rate of change of distance travelled is called _____ .
(17) Uniform motion is motion with _____ velocity.
(18) Any change in velocity gives rise to _____ .
(19) Motion with changing velocity is called _____ motion.
(20) The change in position along a certain direction is _____ .
(21) The slope of the distance -time graph gives _____ .
(22) The grater the slope of a straight line distance-time graph , the _____ is the speed.
(23) The slope of the distance-time graph gives _____ .
(24) The slope of the velocity-time graph gives _____ .
(25) The area under the speed-time graph gives _____.
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1.two 2.changing 3.acceleration 4.zero 5. same