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Vsevolod [243]
4 years ago
10

explain the relationship between kinetic and potential energy in the example (the pic) while using the words mechanical energy a

nd conservation of energy.
Physics
1 answer:
BigorU [14]4 years ago
5 0
PE is the energy acquired by a body due to its height ! While KE is the energy acquired by the body due to its motion !

KE+PE = mechanical energy and thus mechanical energy is always conserved due to the conservation of energy which states that energy is neither created nor destroyed but only transformed !
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calculate the tension in the horizontal rope. (the horizontal and the vertical ropes are not connected to each other. they are b
Brilliant_brown [7]

There is a tension of 7,019.4 N on the horizontal rope.

The pulling force that travels axially along a rod's ends, a string, a cable, a chain, or another similar device is known as tension.

The action-reaction pair of forces that are acting at the ends of the element are also known as tension.

The tension is measured in Newtons. On the horizontal rope, there is tension.

The following formula is used to determine the horizontal rope's tension:

Utilize the torque concept.

Mg (L/2) sin + mg M + 2mg sin/cos = T (M + 2m) L sin = T(L/2) cos 660 g tan = T let (This value should be included in the question)

(M + 2m)

GTAN=TTAN= (74.9 + 2 x 122) (9.8) (tan 66)

T = 7,019.4 N The tension in is 7,019.4 N.

The complete question is - An object with a mass of m = 122 kg is suspended by a rope from the end of a uniform boom with a mass of M = 74.9 kg and a length of l = 8.77 m. The end of the boom is supported by another rope which is horizontal and attached to the wall as shown in the figure.

Calculate the tension in the horizontal rope. (The horizontal and the vertical ropes are not connected to each other. They are both independently attached to the end of the boom.)

Learn more about Tension here-

brainly.com/question/6359509

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8 0
1 year ago
The witch in "Hansel and Gretel" owns a house made of cookies and candy for the ___ reason that she is sweet and kind, but actua
hichkok12 [17]
The answer would be A. Ostensible
8 0
3 years ago
PLeAsE hElp <br> What is the kinetic energy of 14 Kg traveling at a velocity of 3m/s east
harkovskaia [24]

Answer:

Please see the given attachment.

Explanation:

Stay safe, stay healthy and be blessed.

Thank you.

<h2><em><u>PLEASE</u></em><em><u> </u></em><em><u>MARK</u></em><em><u> </u></em><em><u>ME</u></em><em><u> </u></em><em><u>AS </u></em><em><u>BRAINLEST</u></em><em><u>.</u></em></h2>

4 0
3 years ago
An olympic high diver has gravitational potential energy because of her height. as she dives, what becomes of her energy just be
sammy [17]

An Olympic high diver has gravitational potential energy because of her height. As she dives, kinetic energy becomes of her energy just before she hits the water.

Gravitational potential energy is the energy possessed or acquired by an object due to a change in its position when it is present in a gravitational field. In simple terms, it can be said that gravitational potential energy is an energy that is related to gravitational force or to gravity.

Kinetic energy is the energy of motion, observable as the movement of an object, particle, or set of particles.

When the high diver is standing stable and not moving , that diver has a gravitational potential energy because of the height . The moment she dives , before hitting the water , from being stationary she gained some momentum and come in motion , due to motion her gravitational potential energy will change to kinetic energy before hitting the ground.

To learn more about Gravitational potential energy  here

brainly.com/question/15978356

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6 0
1 year ago
Question 11 of 11 | Page 11 of 11
KiRa [710]

Answer:

Decreases the time period of revolution

Explanation:

The time period of Cygnus X-1 orbiting a massive star is 5.6 days.

The orbital velocity of a planet is given by the formula,

                                        v = √[GM/(R + h)]

In the case of rotational motion, v = (R +h)ω

                                         ω = √[GM/(R + h)] /(R +h)

Where 'ω' is the angular velocity of the planet

The time period of rotational motion is,

                                     T = 2π/ω

By substitution,

                                      <em>T = 2π(R +h)√[(R + h)/GM] </em>

Hence, from the above equation, if the mass of the star is greater, the gravitational force between them is greater. This would reduce the time period of revolution of the planet.

3 0
3 years ago
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