il AT&T; 10:39 AM 53%) a edugen.wileyplus.com WileyPLUS Chapter 02, Problem 12 A

Question

il AT&T; 10:39 AM 53%) a edugen.wileyplus.com WileyPLUS Chapter 02, Problem 12 A car makes a trip due north for three-fourths of the time and due south Ca 3, one-fourth of the time. The average northward velocity has a magnitude CRa.f 34 m/s, and the average southward velocity has a magnitude of 40 aer 9.m/s. Taking m/. Taking northward to be the positive direction, what is the average velocity for the trip? Chote 82. robl the tolerance is +/-2% Click it you would like to Show Work for this questions Opn tettenttientht,

Explanation / Answer

Ans:

The distance travelled along north direction with velocity 34m/sec for 3t/4 sec is d1= 34*3t/4=25.5t

The distance travelled along south direction with velocity 40m/sec for t/4 sec is d2= 40*t/4= 10t
The total displacement for t seconds is d=d1-d2= 15.5t

Therefore, the average velocity = d/t=15.5m/sec

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