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almond37 [142]
3 years ago
14

A 0.46-kg cord is stretched between two supports, 7.2 m apart. When one support is struck by a hammer, a transverse wave travels

down the cord and reaches the other support in 0.74 s.
What is the tension in the cord? (Express your answer to two significant figures and include the appropriate units.
Physics
1 answer:
Kryger [21]3 years ago
7 0

Answer:

      T = 6.0 N

Explanation:

given,

mass of the cord = 0.46 Kg

length of the supports = 7.2 m

time taken to travel = 0.74 s

tension in the chord = ?

using formula for tension calculation

T = \dfrac{v^2.m}{l}

v = \dfrac{l}{s}

v = \dfrac{7.2}{0.74}

v = 9.73 m/s

now, calculation of tension

T = \dfrac{9.73^2\times 0.46}{7.2}

      T = 6.0 N

The tension in the cord is equal to 6.0 N.

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here q = charge inside the gaussian surface.

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we will calculate the charge first which is given as

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now using the equation of Gauss law we will have

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What type of animals is associated with tundra
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Some animals that live in the tundra are caribou, polar bears, and voles. This is a cold environment so they feel comfortable. Their fur keeps them warm so they have no problem with adapting to their surroundings.
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