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KINEMATICS TESTA KEY

# KINEMATICS TESTA KEY - NAME SOLUTIONS SPH3U3/6 KINEMATICS...

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NAME: SOLUTIONS SPH3U3/6 KINEMATICS TEST A MULTIPLE CHOICE : Place your answer on the LEGAL SIZE paper. 1) ( 1K ) The length, width and height of a box is 2 0 . 8.12 0.013 cm cm m × × respectively. The volume of the box with the correct number of significant figures is A) 0 3 .21112 cm B) 0 3 .21 cm C) 2.1 cm 3 D) 21.112 cm 3 E) 21 cm 3 * 2) ( 1K ) If a car is traveling at 36 km hr , what is its speed? Answers are given in m s . 3) ( 1K ) A car traveling with an initial velocity v 0 comes to a stop in a time interval Δ t . If the deceleration during this time Δ t is constant, which of the following statements is CORRECT for that time interval? A) The displacement covered is ( ) ( ) v t 0 2 Δ . * B) The average speed is ( ) v t 0 Δ . C) The acceleration is ( ) v 0 2 . D) The displacement covered was ( ) ( ) v t 0 2 2 Δ . E) The final velocity was v 0 . 4) ( 1K ) A ball is thrown upwards. After it has left the hand, its acceleration 5) ( 1K ) An object moves from one point in space to another. After it arrives at its final destination, its displacement is 6) ( 1K ) The graph below describes the position of a train. Which of the following statements is CORRECT regarding the motion of the train? A) The train is speeding up part of the time. B) The train is speeding up all the time. * C) The train is slowing down part of the time. D) The train is slowing down all the time. E) The train speeds up and then slows down.

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KINEMATICS TESTA KEY - NAME SOLUTIONS SPH3U3/6 KINEMATICS...

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