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Byju's Answer
Standard XII
Physics
Friction and Vertical Circular Motion Problems
A particle pr...
Question
A particle projected from a tower of height
25
m
with velocity
20
√
2
m
/
s
at
45
o
. Find the time when particlle strikes with ground. The horizonatl distance from the foot of tower where it strikes
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Solution
From A to B
s =
u
t
+
1
2
a
t
2
-25 =
20
t
−
5
t
2
solving above equation
we get
t
2
−
4
t
−
5
= 0
t = 5 sec
B
C
=
v
x
×
t
=
20
×
5
= 100m
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