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:

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter34: Electromagnetic Waves

Section: Chapter Questions

Problem 34.7P: Suppose you are located 180 in from a radio transmitter. (a) How many wavelengths are you from the...

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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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