PMT Physics Section A Quiz
9 Questions
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PMT Physics Section A Quiz

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@IntriguingTruth

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Questions and Answers

What is the winner of a 400m race required to have the greatest of?

maximum speed

When a tennis ball of mass 0.06kg rebounds at the same speed after hitting a wall, what is the change in momentum of the ball?

0.60kg m s

In the given circuit setup, which graph correctly shows how potential difference V varies with length l?

C l

Which of the options correctly defines electromotive force?

<p>Work done per unit charge to move a charge around a circuit.</p> Signup and view all the answers

What is the unit for tension expressed in SI base units?

<p>N</p> Signup and view all the answers

Which situation could produce the motion of the ball depicted in the graphs?

<p>Rolling down a ramp then along the floor.</p> Signup and view all the answers

In which direction should the pilot point the plane to fly due east in the presence of a northerly wind?

<p>C</p> Signup and view all the answers

Which graph would be obtained by the student when plotting potential difference V on the y-axis against the corresponding current I on the x-axis?

<p>B</p> Signup and view all the answers

Calculate the efficiency of the motor lifting a block of mass 0.050kg at a constant velocity of 0.40 m s–1, with a current of 85mA and a potential difference of 3.0V.

<p>28.2%</p> Signup and view all the answers

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