IB Physics HL A 1 6 Uniform Acceleration Equations Topic Practice

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Study A.1.6—Uniform acceleration equations conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

Question 1

[Maximum number: 4]

This question is in two parts. Part 1 is about kinematics and gravitation. Part 2 is about radioactivity.

Part 1 Kinematics and gravitation

A ball is released near the surface of the Moon at time t=0. The point of release is on a straight line between the centre of Earth and the centre of the Moon. The graph below shows the variation with time t of the displacement s of the ball from the point of release.

Figure for Question 1 — IB Physics HL

Question (a)

(a)

Use the graph to

[ 3 ]

Question (i)

(i)

calculate a value for the acceleration of free fall close to the surface of the Moon.

[ 3 ]

Question (b)

(b)

Calculate the speed of an identical ball when it falls 3.0 m from rest close to the surface of Earth. Ignore air resistance.

[ 1 ]
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