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Movement and position

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Question 11

An autonomous underwater vehicle (AUV) is conducting research in an ocean trench.

a.

The diagram shows the AUV accelerating vertically downwards.

An autonomous underwater vehicle with a vertical arrow pointing downwards, labelled 'gravity'.

Complete the diagram by adding another labelled force arrow representing the opposing force.

[3]
b.

The graph shows a 60-second exploration run made by the AUV during its scientific dive.

A distance-time graph showing the AUV's journey over 60 seconds with stages A, B, C, and D.

Which stage of the graph shows the AUV stopping for the shortest period of time?

[1]
c.

Which stage of the graph shows the AUV moving at the fastest speed?

[1]
d.

State the equation linking average speed, distance moved, and time taken.

[1]
e.

Calculate the average speed of the AUV during the first 45 seconds of its journey.

[3]
f.

Microwaves are used by the satellite tracking system of the AUV's surface recovery vessel.

State another use of microwaves.

[1]
g.

State one similarity and one difference between microwaves and visible light waves.

[2]

Movement and position Questions

  1. IGCSE
  2. /Physics
  3. /Movement and position