Answer:
1st Speed = 20 / 4 = 5m/sec .
2nd Speed = 18 / 2 = 9m/sec.
Average Speed = Speed 1st + Speed 2nd / 2
= 5 + 9
2
= 14 / 2
= 7 m/ sec.
Copyright © 2024 EHUB.TIPS team's - All rights reserved.
Answers & Comments
Answer:
Speed = Distance/Time.
1st Speed = 20 / 4 = 5m/sec .
2nd Speed = 18 / 2 = 9m/sec.
Average Speed = Speed 1st + Speed 2nd / 2
= 5 + 9
2
= 14 / 2
= 7 m/ sec.
Thus the Average Speed have 7 metre per second .
7ms bcz the obj speed1 is 20/4 secs
And obj speed 2 is 18/2 obj speed 1 is 5m/s and obj speed 2 is 9m/s the average is 7m/s