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 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter4: Diffraction

Section: Chapter Questions

Problem 4.3CYU: Check Your Understanding For the experiment in Example 4.4, show that m=20 is also a missing order.

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Distance and Speed

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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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