<span> B. Hypothalamus responds to prostaglandin which increases the bodies temperature.
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Answer:
θ₁ = cos⁻¹ (n₁ / 2n₂)
Explanation:
For this exercise let's use the law of refraction
n₁ sint θ₁ = n₂. sin θ₂
Where n₁ and n₂ are the refractive indices for the two media, θ₁ and θ₂, the angles of incidence and refraction
They tell us that the angle of incidence is equal to the angle refracted over 2
θ₁ = θ₂ / 2
θ₂ = 2 θ₁
Let's replace
n₁ sin θ₁ = n₂ sin θ₂
Let's use the trigonometry relationship
sin 2θ = 2 sinθ cos θ
n₁ sin θ₁ = n₂ (2 sin θ₁ cos θ₁)
n₁ = n₂ cos θ₁
cos θ₁ = n₁ / 2 n₂
θ₁ = cos⁻¹ (n₁ / 2n₂)
Therefore, the angle of incidence is
θ₁ = cos⁻¹ (n₁ / 2n₂)
Answer:
(a)
(b) 78 m
Explanation:
Physics' cinematics as rates of change.
Velocity is defined as the rate of change of the displacement. Acceleration is the rate of change of the velocity.
Knowing that
(a) To find the displacement we need to integrate the velocity
(b) The displacement can be found by evaluating the integral
Answer:
if you double the mass or velocity you double the momentum.
Explanation:
Answer:
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