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CM 1112 civil ure https://edugen willeypluss.com/edugen/student/mainfr uni Twimer n racebook-Log in e crammarly T Google Translate ORION 013 You drive on Interstate 10 from San Antonio to Houston, half the time at km/h and the other har at 94 kWh, on the way back you travel har the distance at 74 kmh and the other half at 94 km/h. What is your average speed (a) from San Antonio to Houston, (b) from Houston back to San Antonio, and (c) for the entire tript (d) what is your average vekority for the entire trip? (a) Number units (b) Number (c) Number (d) Number Click you would like to show work for this questionn open show work sy accessing this Question Assistance, you will learn whae you earn points based on the Point Potential Polov set by your instructor Question Attempts: o of s used savr roe Earn Maximum points avalatie only r you answer this question correctly in four sr related compenes. Ail rights reserved. Rights Reserved. A Division of

Explanation / Answer

a)
total distance be d km

time taken :
(d/2)/74 + (d/2)/94 = d/148 + d/188 = (188d + 148d) / 27824 = 336 d/27824 = 0.012076*d

average speed = total distance / time taken
= d / (0.012076*d)
= 82.8 km/hr

b)
it is similarly, 82.8 km/hr

c)
sinec average speed is same for going and coming
average speed for whole journey will not change
Answer: 82.8 km/hr

d)
here displacement = 0

average velocity = total displacement / total time = 0

Answer: 0

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