speed of car 80m/
s . distance travel in 1 hour
Answers
Answered by
0
Step-by-step explanation:
Let the each half of the running time be t.
During first half time, speed of car is 80 km/h
Distance covered d
1
=80t km
During second half time, speed of car is 40 km/h
Distance covered d
2
=40t km
Total distance covered d=d
1
+d
2
=80t+40t=120t
Total time taken T=2t
Average speed v
avg
=
T
d
=
2t
120t
=60 km/hr
Answered by
0
Answer:
speed=80m/s
time=1hr.
=60 sec.
speed=distance/time
80= distance/60
4800= distance . answer.✓
Step-by-step explanation:
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