Answer:
234.64 m
Explanation:
Using the formula for calculating range;
Range R = u√2H/g
u is the speed = 13m/s
H is the maximum height
g is the acceleration due to gravity = 9,8m/s²
R = 90m
Get the maximum height;
90 = 13√2H/9.8
90/13 = √2H/9.8
6.923 = √2H/9.8
square both sides
6.923² = 2H/9.8
469.698 = 2H
H = 469.698/2
H = 234.64
Hence the top level was 234.64 m high.
Answer:
a) Ф = 0
b) P_avg=2*P_avg,1
Explanation:
<u>Givens:</u>
The phase difference is 0, 0.2λ, or 0.5λ between the waves.
<u>Part a: </u>
since the amplitude of the wave is directly proportional to the average rate so that the waves will transport greater energy when Ф = 0
Part b:
The two waves are identical to the first wave, the net amplitude is twice the first waves and the travel in the same tube thus
P_avg=2*P_avg,1
Answer:
The Earth's axis is tilted from perpendicular to the plane of the ecliptic by 23.45°. This tilting is what gives us the four seasons of the year - spring, summer, autumn (fall) and winter. Since the axis is tilted, different parts of the globe are oriented towards the Sun at different times of the year.
Explanation:
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