The correct answers are:
Winds from the ocean reduce the number of clouds.
Winds from the ocean are faster.
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Answer:160.88 m
Explanation:
Given
Distance Between two person is 100
i.e.
Let W be the width of River
From First Triangle
From Second Triangle
Answer:
1257.5 N
Explanation:
a = acceleration of the motorcycle = 3.50 m/s²
f = force of resisting motion = 400.0 N
m = mass of motorcycle = 245 kg
F = magnitude of force that motorcycle exerts backward = ?
Magnitude of force that motorcycle exerts backward is given as
F = f + ma
Inserting the values
F = 400.0 + (245) (3.50)
F = 1257.5 N
Answer:
-4568.25 m/s (2 d.p.)
Explanation:
As we need to find the <u>y-component</u> of the initial velocity, consider the vertical and horizontal motion of the electron <u>separately</u>.
<u>Trigonometry</u> can be used to resolve the body's motion into its vertical and horizontal components:
- Horizontal component of u = u cos θ
- Vertical component of u = u sin θ
Vertical component of acceleration:
Vertical component of final velocity:
Therefore:
To find the <u>vertical component</u> of the initial velocity (u):
Therefore, the y-component (vertical component) of the initial velocity is -4568.25 m/s (2 d.p.).
The power of the sound wave per unit area is what would best define sound intensity