Answer:
Option A. 57.14 Ω
Explanation:
From the question given above, the following data were obtained:
Resistor 1 (R₁) = 100 Ω
Resistor 2 (R₂) = 400 Ω
Resistor 3 (R₃) = 200 Ω
Equivalent Resistor (Rₚ) =?
The equivalent resistor in the above circuit can be obtained as follow:
1/Rₚ = 1/R₁ + 1/R₂ + 1/R₃
1/Rₚ = 1/100 + 1/400 + 1/200
Find the least common multiple (lcm) of 100, 400 and 200. The result is 400. Divide 400 by 100, 200 and 400 respectively and multiply the result with the numerator as shown
1/Rₚ = (4 + 1 + 2)/400
1/Rₚ = 7/400
Invert
Rₚ = 400/7
Rₚ = 57.14 Ω
Displacement is the distance from the final placement of the object from the initial point. So, since the swimmer started and ended in the same spot, it is zero.
Therefore your correct answer is:
A: 100m swimming 0 displacement
2
Explanation:
Let us assume the mass of ship 2 = K
Mass of ship 1 = 4K
Condition:
Both ships have the same mass
The kinetic energy of a body is the energy due to the motion of it.
It is expressed as:
K.E =
m is the mass of the ship
v is the velocity;
Since both ships have equal velocity;
K.E of ship 1 = K.E of ship 2
\frac{1}{2} m v^{2} of ship 1 = \frac{1}{2} m v^{2} of ship 2
multiply through by 2;
4k x = k x
dividing by k;
4 v_{1} ^{2} = v_{2}^{2}
taking square root of both sides
V₂ = 2V₁
learn more:
Kinetic energy brainly.com/question/6536722
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Answer:
Independent Variable
Explanation:
The variables that are plotted on X-axis, the horizontal line of the graph are termed as independent variables. The variables plotted on Y-axis which is vertical side of the graph are dependent variables.