2 ج
ball is thrown vertically
upwards up to a hight. The hall
return back to the ground what
is the distance and displacement
covered by the ball.
Distance con and Displacemento
67 ogine the jacowing
Answers
Answer:
ball is thrown vertically
upwards up to a hight. The hall
return back to the ground what
is the distance and displacement
covered by the ball.
Distance con and Displacemento
67 ogine the jacowing
Explanation:
ball is thrown vertically
upwards up to a hight. The hall
return back to the ground what
is the distance and displacement
covered by the ball.
Distance con and Displacemento
67 ogine the jacowing
Answer:
Let X be the meeting point.
Both balls would have traveled same time to get to meeting point, say 't' secs.
Let h
1
be height traveled by ball falling down to X.
Let h
2
be height traveled by ball going up to X and v be its velocity.
h
1
+h
2
=100m
v
2
=2gH=2×9.8×100=1960
Hencev=
1960
m/s
h
1
=
2
1
gt
2
For the ball travelling up,
h
2
=vt−
2
1
gt
2
=vt−h
1
h
1
+h
2
=vt
Hence vt=100
t=
v
100
=
1960
100
secs.
h
1
=
2
1
gt
2
=
2
1
×9.8×
1960
100×100
=
4
100
=25m
h
2
=100−25=75m