Potential Energy Example Math

Potential and kinetic energy math practice draft.

Potential energy example math. Calculate the gravitational potential energy gained by the mass g 9 8 n kg. M v 2 ke. A stick of dynamite has chemical potential energy that would be released when the activation energy from the fuse comes into contact with the chemicals. E p m g h.

Pe 1176 joules this example will guide you to calculate the potential energy manually. Pe 0 1 kg 9 8 m s 2 1 m. What will be the mass of the rock. Pe m x g x h where m mass of the object g gravitational acceleration h height of the object.

Potential and kinetic energy math practice draft. Heat is a type of energy too. In fact the. Substituting the values in the formula pe m x g x h 30 x 9 8 x 80 23520 j.

The shelf is 2 5m high. On a 3m ledge a rock is laying at the potential energy of 120 j. Pe m g h. Ke m v 2.

Pe 0 98 kg m 2 s 2. Pe m x g x h 6 x 9 8 x 20 potential energy. We drop this 0 1 kg apple 1 m. Tree branches high up in a tree have potential energy because they can fall to the ground.

If the rock falls the potential energy will be converted to kinetic energy. P mgh m mass of box kg g gravitational field strength n kg h difference in height m rearrange equation to find height. Swap sides and rearrange. 9th 11th grade.

When raised up it has potential energy the energy of position when falling down it has kinetic energy the energy of motion energy goes from one storage to another or goes to heat. Substitute the values in the below potential energy formula. A man climbs on to a wall that is 3 6m high and gains 2268j of potential energy. U x y z α x2 y2 z2 notice that every point that is the same distance from the origin results in the same potential energy since the potential energy function is proportional to the square of the radius of a sphere centered at the origin.

But his push is a little upwards by 20. A rock sitting at the edge of a cliff has potential energy. A 4 kg rock is sitting 5 m above the ground. If we compress it 3 3 meters 3 13 meters we will have created enough potential energy and in this case the potential energy is 10 times 9 8 so roughly 98 joules.

Consider the following potential energy function. John pushes a box 3 m straight forward using 200 n of force. Therefore the potential energy of the object is 23520 j. We know that the acceleration due to gravity is constant and is always equal to 9 8 m s 2.

How much potential energy does it have. 9th 11th. This is due to the force of gravity acting on an object. At 1 m above the ground it s potential energy is.

Mg 145 5 8x10 145 58 2 5. V 2 2 ke m. A crane lifts a 75kg mass a height of 8 m. A ball with a mass of 500g is lifted onto a shelf which is 1 5m above the ground.