b. in seconds how long did the trip take? c. how long in minutes? d. how much di

Question

b. in seconds how long did the trip take?
c. how long in minutes?
d. how much distance in kilometers traveled for whole trip?
what is the magnitude of Steve's displacement?
E. what is the direction of Steve's displacement for the entire trip?

HVN i Begin Date: 1/1/2018 12:01:00 AM .. Due Date: I/1 .2018 11.59.00 PM End Dates 3/12201R u p (14%) Problem 7: Steve needs to get groceries from the store, which is distance D 1.9 km east of his condo. Steve rides his bike to the store at a constant speed of 6.1 m's, and rides back to his condo at the slower speed of vy 24 m/s Store The prorided arewer s not cornect ane s evakable. House Otheespertla.com 17% Part (a) How loeg (in seconds) does it take for Steve to reach the store? 17% Part (b) In seconds, how long des the whole trip take? 1 Completed Grade Summary 3 Completed 4 Completed S Completed 6 Completed 7 Partial coaasinO acoso Aaemgts remairing: (5% per alkan cosho tanhocotanb °Degrees Radians Submit l give up Hints:--dedictut pr hir. Hints remaining:- Feedback: 3%adiction per felhak & 17% Part (c) How long does the trip take in minutes? 17% Part (d) How much distance, in kilometers, did Steve travel during the whole trip? 17 % Part (e) what is the magnitude of Steves displacemen, in km, for de entire trip? 17 % Part (n what is the direction of Steve's displacement for the entire trip?

Explanation / Answer

Average velocity is 2V1 V2 / v1+v2 = 2*6.1*2.4/8.5 = =3.44m/s

b.) t = s/v = 2*1900/3.44 = 2*552.32s = 1104.64s

c) 1104.64s = 1104.64/60 = 18.41mints

d.) Total distance travelled by him is 1900+1900 = 3800m = 3.8km. Displacement is a vector quantity, hence it becomes zero for any round trip.

But magnitude of any non continues trip is square root of magnitude of out going distance + magnitude of in coming distance = 1.92 km.

e.) No direction.

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