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Mumz [18]
3 years ago
11

Most often frequency is measured by the number of waves that pass a point in one blank

Physics
1 answer:
AlladinOne [14]3 years ago
8 0
I’m pretty sure it’s hertz
but if it’s wrong i apologize
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A frame hanging on a wall is held by two cables. The tension in each cable is 30 N, and the cables make an angle of 45° with the
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Answer: option D) 42.4 N

The weight of the frame is balanced by the vertical component of tension.

W = T sin θ + T sin θ = 2 T sin θ

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Angle made by the cables with the horizontal, θ = 45°

⇒ W = 2×30 N × sin 45° = 2 × 30 N × 0.707 = 42.4 N

Hence, the weight of the frame is 42.4 N. Correct option is D.


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