IB DP Physics Topic 2 Paper 1 2019

• A. The acceleration increases from zero to a maximum.

• B. The acceleration increases from zero to a maximum and then decreases.

• C. The velocity increases from zero to a maximum.

• D. The velocity increases from zero to a maximum and then decreases.

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• A. 6 m/s

• B. 8 m/s

• C. 10 m/s

• D. 14 m/s

A ball is thrown vertically upwards. Air resistance is negligible. What is the variation with time t of the kinetic energy Ek of the ball?

• A.

• B.

• C.

• D.

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A climber of mass m slides down a vertical rope with an average acceleration a. What is the average frictional force exerted by the rope on the climber?

• A. mg

• B. m(g + a)

• C. m(g – a)

• D. ma

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A stone is thrown downwards from the edge of a cliff with a speed of 5.0 m/s. It hits the ground 2.0 seconds later. What is the height of the cliff?

• A. 20 m

• B. 30 m

• C. 40 m

• D. 50 m

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• A.

• B.

• C.

• D.

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A boat with an output engine power of 15 kW moves through water at a speed of 10 m/s. What is the resistive force acting on the boat?

• A. 0.15 kN

• B. 0.75 kN

• C. 1.5 kN

• D. 150 kN

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• A.

• B.

• C.

• D.

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• A.

• B.

• C.

• D.

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• A.

• B.

• C.

• D.

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