In a biathlon race, Murray must cycle 30 km and then run 20 km. Using v as his cycling speed and as his running speed, the correct simplified expression for the total time needed to complete the race will be:

In a biathlon race, Murray must cycle 30 km and then run 20 km. Using v as his cycling speed and as his running speed, the correct simplified expression for the total time needed to complete the race will be:

University Physics Volume 2

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Chapter16: Electromagnetic Waves

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Concept explainers

Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –

Question

12. In a biathlon race, Murray must cycle 30 km and then run 20 km. Using v as his cycling speed and as his running speed, the correct simplified expression for the total time needed to complete the race will be:

time
dis tan ce
speed
30vr +20vc
Ur + Uc
Option 1
30vr +20vc
Ur Uc
Option 3
30vc + 20vr
Ur + Uc
Option 2
30vc + 20vr
Ur Uc
Option 4

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