## Question

###### I need Part B for Q11 also need A&B for Q12 QUESTION 11 A car travelled...

I need Part B for Q11

also need A&B for Q12

QUESTION 11 A car travelled with a velocity of v1 = (12 mph, 10 mph) for 1 hour. A) How far is it from the starting point? Then, the car travelled with a velocity of v2 = (2 mph, 19 mph) for 2 hours. B) How far is it from the starting point? (To answer B, it's easier to first find the total vector V1+V2) (round all answers to 1 dp) 10 points Save Answer QUESTION 12 A car travelled with a velocity of v1 = (5 mph, 13 mph) for 1 hour. Then, it travelled with a velocity of v2 = 14 mph, 12 mph) for 0.5 hours. A) How far is it from the starting point? Then, it ran out of gas because the driver had been making dumb trips in random directions. B) With what speed (i.e. ignore direction) should the car travel in order to get back to the origin in 2 hours? (round all answers to 1 dp)

## Answers

ains:-11 + - ans 12: ř = vitit 2t2 = (12? HOJ) XL + (21 +19 jj x2 (2+4) 1 0+38) ž=(16,48) ADI. 151 +139) *1 + (47+129)x0.5 7(5x + 4X0.5), (13X1 41280-5)) Ť -(7,19) B) NOW v'x2=8 B: 71_199 = (-3.5,-9.5) mph. va

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