Hey,
i am here to help you................
The house needs sound absorbing materials in the walls so that reveberation dosen't happens and can here clearly what people will be saying in the house
It is also used in cinema halls also
I believe that this answer was heplful.
Answer:
17. h = l − l cos θ
18. 1.40 m
Explanation:
Let's call d the height of the triangle. We can then say:
h = l − d
Using trig, we can write d in terms of l and θ:
d = l cos θ
h = l − l cos θ
If l = 6 m and l cos θ = 40°:
h = 6 − 6 cos 40
h ≈ 1.40
Its called compressing the gas
2.low orbit because any satellite in low orbit will encounter some of earths atmosphere it will slow down a bit and fall into a lower orbit
Answer = 6.24x10^18 x ((2 x 3600) + (47 x 60) + 10)
