Answer:
The angle with the positive x axis 61.31°
Explanation:
It is given that, a vector in the x-y plane has a magnitude of 25 m and x component of 12 m.
x component of the vector, base = 12 m
Magnitude of hypotenuse, H = 25 m
We need to find the angle with the positive x axis. Let it is given by θ such that :
![cos\theta=\dfrac{base}{hypotenuse}](https://tex.z-dn.net/?f=cos%5Ctheta%3D%5Cdfrac%7Bbase%7D%7Bhypotenuse%7D)
![cos\theta=\dfrac{12}{25}](https://tex.z-dn.net/?f=cos%5Ctheta%3D%5Cdfrac%7B12%7D%7B25%7D)
θ = 61.31°
So, the angle with the positive x axis 61.31°. Hence, this is the required solution.
Given,
Force = 10,000 N
Distance = 30 m
Time = 40 s
Work done = force × distance
Work = 10,000 × 30
Work = 300,000 J
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Answer:
B. 30m
Explanation:
This is because when a wave interferes constructively with another wave, they will add since constructive relates to joining or building up.
So, 10m + 20m equals a 30m wave.
Answer:
they have opposite charges