A car moves with a constant speed of 80 km/h for 30 minutes and then with a constant
speed of 25 m/s for the next 2 hours. The total distance covered by the car is __________.
Answers
Answered by
1
Answer:
converting 30 minutes into hours
30/60 hours
1/2 hours
total distance=
80*1/2=40kilometer
next time
converting 2hours into seconds
=120 seconds
90 km per hour
=45 km
total distance=40+45km=85km
this is the solution
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Answered by
79
Answer :-
Case I -
Car moves for 80 km/hr for 30 mins
- Speed = 80 km/hr
- Time = 30 min = 0.5 hour
Distance = Speed × Time
= 80 × 0.5
= 40 km
Case II -
Car moves for 25 m/s with 2 hours
- Speed = 25 m/s = 25 × 18/5 = 90 km/hr
- Time = 2 hours
Distance = Speed × Time
= 90 × 2
= 180 km
Total distance = 180 + 40 km = 220 km
Total distance = 220 km
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