The Expert TA 1 Human \\ e Chegg Study I Guided Sc x >C Secure https://usq45t ke

Question

The Expert TA 1 Human e Chegg Study I Guided Sc x >C Secure https://usq45t keTu Home Student chrishaney 123amall.com My Account Log Out Class l Help HV3-2-D Motion Begin Date: 8/28/2017 10:00:0D AM Due Date: 9/17/2017 11:59:00 PM End Date: 1222 2017 6.00:00 PM (7%) Problem 1: A car moves along a horizontal road with constant velocity vo- voi until it encounters a smooth inclined hill. which it climbs with constant velocity 1 iyj as indicated in the figure. The period of time during which the car changes its velocity is At. Randomized Variables ssignment Status =6.4 m/s Click here for detailed view At = 3.8 s Otheexpertta.com 50% Part Grea vector express on or the average acceleration ofthe car during the given time period in terms of the variables in the a Problem Status Partial problem and unit vectors i and j. Grade Summary Deductons 20% At A ttermpta remaning: 2 (4% per attempt) detailed view 496 Vix 10 I gire up! 496 Hints: i fora 0% deduction Hints remannta: Feedback: deduction per feedback 12 13 14 What is the definition ofareras this aa vector expresaam-whtch means you feed to anderstand wbat the unit vectote are. e acceleration? ak sure yoenter là 50% Part (b) What is the magnitude ofthe car's acceleration during the time period in question, in ms,? 1:03 PM ^pdx 8/30/2017

Explanation / Answer

average acceleration = final velocity - initial velocity / time

avg acc = v1x i +v1y j - v0x / delta t

avg acc . = 35i +6.4 j - 33i / 3.8 = 2i +6.4 j /3.8 = 0.52 i +1.68 j

magnitude of avg acceleration = 1.7645 m / s^2

Related Questions

Navigate

• Browse (All)
• Browse T
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.