A person cover 20m in 5second and then next 20m in 10 second along x_ axis.find average speed and average volecity.
Answers
Answered by
1
Answer:
ANSWER
Let the total distance be 2x.
For first half distance :
Speed is 20 m/s
Thus time taken t
1
=
20
x
For second half distance :
Speed is 30 m/s
Thus time taken t
2
=
30
x
Average velocity V
avg
=
t
1
+t
2
2x
⟹ V
avg
=
20
x
+
30
x
2x
=
20+30
2×20×30
=24 m/s
Similar questions