a bird flies at speed 20 m/s for 10 sec , afterwards it rest on a tree for 10 sec and then flies at a speed of 10 m/s for 10 sec . average speed of the bird for whole trip ?
Answers
Answered by
2
average speed
20*10+0*10+10*10
___________________
30
300/30
average speed =10mpersec
Answered by
2
Answer:
Case I
V(speed)-20 m/s
T- 10s
S(distance)- V*T
=20*10
=200 m
Case II
V=0
T-10s
S-0
Case III
V=10 m/s
T-10s
S- 100m
Average Speed - Total distance/ Total Time
= 200+100/10+10+10
= 300/30
= 10 m/s......
Hope it is helpful
Kindly mark as brainiest and feel free to ask doubts!
Kudos!
Similar questions