Find average speed of object travel 400 metre in 4 sec and 30 km in 1 hour ? Find average speed ?
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Answered by
0
Answer:
its 500 by calculating ans is 250
Explanation:
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Time for first 10 km,
t
1
=
100
10×10
3
=100 sec.
Time for last 10 km,
t
2
=
50
10×10
3
=200 sec.
Total time =100+200=300 sec.
Total distance, =10+10=20 km
Average speed =
300
20000
=66.7 m/
t
1
=
100
10×10
3
=100 sec.
Time for last 10 km,
t
2
=
50
10×10
3
=200 sec.
Total time =100+200=300 sec.
Total distance, =10+10=20 km
Average speed =
300
20000
=66.7 m/
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