A
man rowing
a boat away
from
light house 150m high
high takes a minutes to
the angle of Elevation of the top
of lighthouse from 45 to 30 had the
speed of
boot!
.
Answers
Answered by
1
Answer:The distance between light house and boat in the case of 60
∘
is given by tan60
∘
=
x
150
⟹x=50
3
The distance between light house and boat in the case of 45
∘
is given by tan45
∘
=
y
150
⟹y=150
Distance travelled =50(3−
3
)
Speed =
120
50(3−
3
)
⟹0.52m/s(approx)
Step-by-step explanation:
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