A ball is projected vertically upward with a velocity u from ground, rises to maximum height and then returns back to same point .Find the average speed of the ball?
Plz give correct answer .
Answers
Answered by
0
❥↭αɳรωε૨
The average speed and average velocity from A to P will be same as the particle is moving in straight line without changing the direction.
< v > =
Δt
Δy
=
t
1
h
=
t
1
(1/2)gt
1
t
2
=
2
21
t
2
(ii) Motion from A to P for time t
2
.
Average speed =
Totaltime
Totaldistance
=
t
2
h+2h
′
=
t
2
(1/2)gt
1
t
2
+2(
8
g
(t
1
+t
2
)
2
)
=
4t
2
g(t
1
2
+t
2
2
)
Motion from A to P for time t
2
Average velocity <
v
> =
Δ
t
Δ
y
=
t
2
h
=
t
2
(1/2)gt
1
t
2
=
2
1
gt
1
gσσ∂ мσяηıηg ∂єαя
нαѵє α gяєαт ∂αy αнєα∂ ♥️
Similar questions