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What is the potential energy of a 20 kg rock placed at the top of a cliff with a height of 100 meters?
Wiki User
∙ 9y ago
mass = 20 kg
height = 100 m
acceleration due to gravity = 10 m/s2
U = mgh
= 20 X 100 X 10
= 20000 J
or
= 220kJ
Wiki User
∙ 13y ago
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How does height affect the amount of potential energy of an object?
.potential energy equalls mgh, where m is mass of object, g is gravity, h is height of the object placed from the ground level. . When height increases potential energy also increases..
How much energy (in joules) does a 3-kg vase possess when its placed on a shelf 2.5 meters above the ground?
Use the formula PE = mgh (potential energy = mass x gravity x height). Gravity is approximately 9.8 m/s2. Answer will be in Joule.
What is difference between potential and kinetic energy give two examples?
If the object is placed at height, it has potential energy and when this object falls down, this potential energy is converted to kinetic (kinesis means movement) energy. If we have to lift object at height , we have to spend energy, witch is released during fall of the object. Example is when water comes down in hydroelectric power station potential energy is converted into kinetic energy. Witch is used to rotate wheel, creating electricity.
How can potential energy be increased and decreased?
Potential energy is pretty much the potential for kinetic energy. The less kinetic energy there is, the more potential... On the other hand, if you need gravitational potential energy, then the higher the object is placed above the ground, the more GPE it has.
When is potential energy transformed into kinetic energy?
As soon as the object is allowed to move, potential energy starts getting transformed into kinetic energy. For example the object placed on height. As soon as it is allowed to fall, the potential energy starts getting converted into kinetic energy. It is maximum at the time the object touches the ground.
How does height affect the amount of potential energy of an object?
.potential energy equalls mgh, where m is mass of object, g is gravity, h is height of the object placed from the ground level. . When height increases potential energy also increases..
How much energy in joules does a 3 kg vase possess when its placed on a shelf 2.5 meters above the ground?
Use the formula PE = mgh (potential energy = mass x gravity x height). Gravity is approximately 9.8 m/s2. Answer will be in Joule.
How much energy (in joules) does a 3-kg vase possess when its placed on a shelf 2.5 meters above the ground?
Use the formula PE = mgh (potential energy = mass x gravity x height). Gravity is approximately 9.8 m/s2. Answer will be in Joule.
What is thickening of segments?
a body of mass 50kg is placed on a wall of height 1.5m above the ground.calculate the potential energy of the body(g_10mls2)
How much energy in Joules does a 3 kg vase possess when it's placed on a shelf 2.5 meters above the ground?
Use the formula PE = mgh (potential energy = mass x gravity x height). Gravity is approximately 9.8 m/s2. Answer will be in Joule.
What is difference between potential and kinetic energy give two examples?
If the object is placed at height, it has potential energy and when this object falls down, this potential energy is converted to kinetic (kinesis means movement) energy. If we have to lift object at height , we have to spend energy, witch is released during fall of the object. Example is when water comes down in hydroelectric power station potential energy is converted into kinetic energy. Witch is used to rotate wheel, creating electricity.
How can potential energy be increased and decreased?
Potential energy is pretty much the potential for kinetic energy. The less kinetic energy there is, the more potential... On the other hand, if you need gravitational potential energy, then the higher the object is placed above the ground, the more GPE it has.
When is potential energy transformed into kinetic energy?
As soon as the object is allowed to move, potential energy starts getting transformed into kinetic energy. For example the object placed on height. As soon as it is allowed to fall, the potential energy starts getting converted into kinetic energy. It is maximum at the time the object touches the ground.
How potential energy formed?
When an object is placed obove the ground !is at rest !
What type of energy is converted into internal energy when loads are placed on a bridge until it breaks?
Gravitational potential energy (GPE)
Use gravitational potential energy in a sentence?
A roller coaster on the top of the ride Book on top of bookshelf Apple on top of table
What is in potential?
A little complicated, but here are two examples: In electric fields, a potential of 5 Volts means that if a 1 coulomb charge were placed there, it would have a potential energy of 5 Joules. In gravitational field, a potential of 5 J/kg means that if a 1 kilogram mass were placed there, it would have a potential energy of 5 Joules.
