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maria [59]
3 years ago
13

whirl a rock at the end of a string and it follows a circular path. if the string breaks, the tendency of the rock is to

Physics
1 answer:
bixtya [17]3 years ago
8 0

Answer:

whirl a rock at the end of a string and it follows a circular path. if the string breaks, the tendency of the rock is to stop

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A uniform metal rod, with a mass of 2.6 kg and a length of 1.5 m, is attached to a wall by a hinge at its base. A horizontal wir
gregori [183]

Answer:

the horizontal force acting on rod is - 25.909 N

veritical force is 25.48 N

Explanation:

Given data:

mass of rod is m 2.6 kg

length of rod is 1.5 m

Hinge distance from the wire is 0.70 m

Apply torque law about hinge

T = (\frac{L}{2} cos 28^o) mg

Tension in the wire is

T = \frac{[\frac{1.5}{2} cos 28 ]2.6 \times 9.8}{0.70}

   = -25.909 N

the horizontal force acting on rod is

Fx =  T

FX = - 25.909 N

vertical force is

Fy = mg

    = 2.6 \times 9.8 = 25.48 N

3 0
3 years ago
If there were no friction between the girl and the slide on the hill, what would most likely happen to her motion
aivan3 [116]

Answer: she would move faster and more efficiently due to no friction

Explanation:

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3 years ago
Why does the arrow labeled F norm point upward?
ohaa [14]
The answer is D I think
8 0
2 years ago
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How can I change my Brainly username?
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A wave with 2.0 m amplitude has a frequency of 500 Hz is travelling at a speed of 200 m/s. What is the wavelength?
Serggg [28]

Answer: 0.4m

Explanation:

Given that:

Amplitude of wave = 2.0 m

Wavelength (λ)= ?

Frequency F = 500Hz

Speed V = 200 m/s

The wavelength is measured in metres, and represented by the symbol λ.

So, apply the formula:

Wavespeed V= Frequency F xwavelength λ

200m/s = 500Hz x λ

λ = 200m/s / 500Hz

λ = 0.4m

Thus, the wavelength is 0.4 metres

3 0
3 years ago
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