Question

(b) A car has a velocity of 10 ms-1. It accelerates at 0.2 ms-2 for half minute.
Find the distance travelled during this time and the final velocity of the car.
3.
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Answer 1

Answer:

1). 390 m

2). 16 m/ s

Explanation:

initial velocity (u) = 10

acceleration (a) = 0.2

time (t) =30

for distance ...

S = ut + 1/2 ( at ^2)

= 10*30 + 1/2 (0.2*30*30)

= 300+90

= 390 m

for final velocity (v)....

at =v-u

0.2*30= v-10

6+10=v

v= 16 m/s