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Trava [24]
4 years ago
15

Which of the following statements is false?

Physics
1 answer:
astraxan [27]4 years ago
5 0

Answer:

c. Kinetic energy is conserved in all collisions .

Explanation:

the total kinetic energy of system of particles involved in the collision does changes .

kinetic energy is not conserved in all collisions because in some cases energy is converted to another form of energy that is heat etc .

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a traffic light at an intersection is hanging from two wires of equal length making angles of 10 degrees below the horitzontal.
aleksandrvk [35]

The tensions in the wires at the given angle of inclination is determined as 434.1 N.

<h3>Tension on the wire</h3>

The tension in the wires is calculated as follows;

T = Wsinθ

where;

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  • W is weight of the traffic light

T = 2500 x sin(10)

T = 434.1 N

Thus, the tensions in the wires at the given angle of inclination is determined as 434.1 N.

Learn more about tension here: brainly.com/question/918617

#SPJ1

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