Answer:
The resultant velocity is 86.1 mi/h.
Explanation:
The law of cosines is given by:

Where:
c: is the resultant velocity =?
a: is the velocity of the plane = 75.0 mi/h
b: is the velocity of the wind = 15.0 mi/h
θ: is the angle between "a" and "b"
The angle between "a" and "b" can be found as follows:
Now, by using the law of cosines we have:

Therefore, the resultant velocity is 86.1 mi/h.
The law of sines is:

Where:
γ: is the angle between "b" and "c"
α: is the angle between "a" and "c"
So, if we want to find "c" by using the law of sines, we need to know another angle besides θ (γ or α), and the statement does not give us.
I hope it helps you!
Answer:
Option C
Explanation:
From the question we are told that:
Mass 
Radius 
Time 
Generally the equation for Tension is mathematically given by



Therefore
, toward the center of the circle
Option C
"Non-Living" things are known as "Abiotic factor" in the ecosystem.
In short, Your Answer would be: Option A) The Water
Hope this helps!
Answer:
v1 = a t + v0 = 2.5 * 5 + 5 = 17.5 m/s after 5 sec
v2 = o * 6 + 17.5 = 17.5 m/s after 11 sec
S1 = V0 t + 1/2 a t^2 = 5 * 5 + 1.25 * 5^2 = 56.25 m
S2 = 17.5 * 6 = 105 m
S = 56.3 + 105 = 161 m
Vav = S / t = 161 m / 11 s = 14.6 m/s
Answer:
2A
Explanation:
The resistance of a wire can be defined as
R = ρL/A
Where,
ρ is Resistivity - the factor in the resistance which takes into account the nature of the material is the resistivity
L is Length of the conductor
A is Area of cross section of the conductor.
R₁/R₂ = (L₁/L₂) × (A₂/A₁) ----> rearranging it for A
A₂ = (R₁/R₂) × (L₂/L₁) × A₁
A₂ = (R/R) × (2L/L) × A
A₂ = 2A
Therefore, cross section area of another conductor must be 2A