Question

please answer it fast who will answer first I will mark it as brainailist​

Answer 1

Answer:

40 km per hour is the average speed

Explanation:

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Answer 2

Answer:

average speed= total distance/elapsed time

avg. speed = 600/time

here time is t1+t2

so speed= distance/time

V1=300/t1

30=300/t1

t1= 10

V2=300/t2

50=300/t2

t2= 6

so now

avg speed = 600/16

avg speed= 37.5km/hr

if you want answer in m/s then plz convert km/hr into m/s

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