A car moves at 60 km/h for 2 km and 40km/h for the next 2km . Find the average speed of the car?
Options: (A). 42 km/h
(B). 44 km/h
(C). 46 km/h
(D). 48 km/h
Answers
Answered by
0
Answer:
Answer: given: s=60km/h. d= 2km. s=40km/h. d=2km. Explanation: (s=60×2= 120). (s=40×2=80). average speed =total distance/upon total time
Answered by
3
Explanation:
T = 2/60
T = 1/30
t = 2/40
t = 1/20
total ={ 2+3}/60
= 5/60
= 1/12 hr..
averag speed = 4×12
= 48 km/hr.....
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