A car travels at a speed 40 km/h for 2 hours and then 60 km/h for 3 hours. What is the average speed of the car during the entire journey?
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Answer:
is the answer choice is 50 m/ s
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v1=40 km/hr
v2=60 km/hr
t1=2 hr
t2=3 hr
s1=v1*t1
=40*2
=80 km
s2=v2*t2
=60*30
=180 km
average velocity=total distance/total time taken
=180+40/3+2
=44 km/hr
Hope this helps
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