A wolf spider runs 75 cm west, then turns and runs 50 cm south. Which choice gives the correct solution for the resultant? Quest
1 answer:
The correct solution for the resultant of the wolf spider is:
R² = 75² + 50²
<h3>Resultant formula</h3>R² = (Displacement 1)² + (Displacement 2)²
Where
- R is the resultant displcaement
See attach photo for diagram
<h3>Data obatined from the question</h3>The following data were obtained from the question.
- Displacement 1 = 75 cm west
- Displacement 2 = 50 cm south
- Resultant dispalcement (R) =?
The solution for the resultant displacement of the wolf spider can be obtained as follow:
R² = (Displacement 1)² + (Displacement 2)²
R² = 75² + 50²
Thus, the correct answer to the question is:
R² = 75² + 50²
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Answer:
The electric field strength inside the capacitor is 49880.77 N/C.
Explanation:
Given:
Side length of the capacitor plate (a) = 4.19 cm = 0.0419 m
Separation between the plates (d) = 0.407 mm =
Energy stored in the capacitor (U) =
Assuming the medium to be air.
So, permittivity of space (ε) =
Area of the square plates is given as:
Capacitance of the capacitor is given as:
Now, we know that, the energy stored in a parallel plate capacitor is given as:
Rewriting in terms of 'E', we get:
Now, plug in the given values and solve for 'E'. This gives,
Therefore, the electric field strength inside the capacitor is 49880.77 N/C