CAIE IGCSE Physics 7.3 Mathematical and Data Presentation Skills Topic Practice

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Covered syllabus points

7.3.1 Numerical and algebraic calculations7.3.2 Geometry, measurement and unit conversion7.3.3 Graphs, charts and statistics7.3.4 Record readings and tabulated data7.3.5 Plot and analyse physical data7.3.6 Extended trigonometry and curve gradients

Question 1

[Maximum number: 1]

Fig. 5.1 shows a road junction, a moving car and a stationary truck. The road has high walls on each side.

Fig. 5.1

Fig. 5.1

The driver of the truck is at position X. The car moves around the corner.

On Fig. 5.1, label a point Y on the road where the truck driver first sees the car.

Question 2

[Maximum number: 1]

The diagram shows part of a micrometer screw gauge.

Figure for Question 2 — CAIE IGCSE Physics

What is the smallest reading that can be achieved using this micrometer screw gauge?

A

0.0001 mm0.0001 \mathrm{~mm}

B

0.01 mm0.01 \mathrm{~mm}

C

0.1 mm0.1 \mathrm{~mm}

D

1 mm1 \mathrm{~mm}

Question 3

[Maximum number: 4]

Fig. 3.1 shows water in a river moving parallel to the river bank at 4.0 m/s4.0 \mathrm{~m} / \mathrm{s} and a canoe travelling in the river.

Fig. 3.1

Fig. 3.1

The canoe travels at 2.5 m/s2.5 \mathrm{~m} / \mathrm{s} relative to the water and heads at an angle of 38∘38^{\circ} to the river bank.

Draw a scale diagram to determine the canoe's resultant velocity and state the scale you used.
scale
magnitude of resultant velocity
direction of resultant velocity (angle from the river bank)

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