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:
5.33kg
Explanation:
Given parameters:
Velocity of eagle = 15m/s
Kinetic energy of the eagle = 600J
Unknown:
Mass of the eagle = ?
Solution:
The kinetic energy of any body is the energy due to the motion of a body. There are different forms of kinetic energy some of which are thermal, mechanical, electrical energy.
The formula of kinetic energy is given as;
Kinetic energy = m v²
where m is the mass, V is the velocity
substitute the parameters in the equation;
600 = x m x 15²
225m = 1200
m = = 5.33kg