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Marianna [84]
3 years ago
6

The period of a pendulum T depends on a constant g and the length of the pendulum ????in a relation given by

Physics
1 answer:
adell [148]3 years ago
4 0

Answer:

The  relation is  T  =  2\p \sqrt{\frac{l}{g} }

Explanation:

Generally the mathematically relation showing the relationship between the period(T), the constant (g) and  the length(l) is

     T  =  2\p \sqrt{\frac{l}{g} }  

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Which equation represents mass-energy equivalence? E = m2c E = mc2 E = (mc)2 E = mc
motikmotik

Einstein's energy mass equivalence relation say that if the whole given mass is converted to energy then it would be

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3 years ago
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The mechanical energy isn't conserved. Some energy is lost to friction.

Option A.

<h3><u>Explanation:</u></h3>

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As the mountaineer is skiing down the slope of a mountain, the potential energy of the person is gradually changing into his kinetic energy. Had it been in an ideal situation, the potential energy lost would have been just equal to the kinetic energy gained by the person. But there's friction which opposes the speed of the body and reduces the velocity. Thus the kinetic energy will be lost to some extent and the energy won't be conserved.

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3 years ago
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Ray Of Light [21]

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<h3>Absence of external force on the outer space</h3>

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From Newton's first law of motion, an object in a state of rest or uniform motion in a straight line, will continue in that state unless it is acted upon by an external force.

Thus, the absence of external force in the outer space, allows the piece of rock to continue moving at the same velocity for thousands of years.

Learn more about outer space here: brainly.com/question/24701339

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When you catch the ball you act surprised, action- reaction
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