The graph below describes the journey of a train between two cities. 120
a) Work out the
acceleration, in km/h?,
in the first 15 mins.
100
80
Work out the distance
between the two cities. 60
Velocity (in km/h)
40
Work out the average
speed of the train during 20
the journey
0
9am
11am
10am
Time

answer: 1.06 km per sec

step-by-step explanation:

39.6 m=63.72 km

60 min in an hour so 63.72/60=1.06

8(4)^8=72^feet to say that the total can conclude to 8(4) which as you know would mean 8 x 4. that equals 32w. 32^ could make a 72 answer as well. but your coefficent will remain w so your answer is 72w.

you!

if you need more with your math, visit khan academy where we give videos and tutorials   on everything math. we are efficent in our work.

you,

from,

the khan academy team