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When does a baseball in play its lowest gravitational potential energy?
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Pendulum has a gravitational potential energy of 224 J when it is at its highest point At the lowest point in its swing it has a velocity of 4 ms What is the mass of the pendulum?
28 kg
What type of energy does a ball thrown in the air have at its lowest point?
At it's lowest point it has only kinetic energy because it has to have a height in order to have potential energy
What are the advantages of potential energy?
Potential energy can be used to store energy - as in the chemical energy stored in a battery or in the food we eat, the energy stored in a spring, or water that is below the lowest possible level.
If the potential energy of a swing is 200 J at its highest point and 50 J at its lowest point what is the kinetic energy of the swing at its lowest point if mechanical energy is conserved?
150J, as the potential energy has been converted to kinetic energy as the swing accelerates downwards (and forwards) from the top of its swing. Therefore the decrease in potential energy corresponds directly to the increase in kinetic energy if we are ignoring things like friction. So KE = 200-50= 150
Why can work be thought of as a transfer of energy?
motion
When you throw a ball in the air when does it have the least amount of gravitational potential energy?
Whenever it is at its lowest position.
Where does a roller coaster have the least kinetic energy?
At the tallest point on the track. Potential energy is given by U(Which is potential energy) = mass times height time gravitational constant. You can't change the gravitational constant, or the mass of the roller coaster car. So you have to change the height. PE=mgh so more the height and the mass the more PE
Where is a pendulum the fastest?
At the bottom of it's motion because the gravitational potential energy is zero
Pendulum has a gravitational potential energy of 224 J when it is at its highest point At the lowest point in its swing it has a velocity of 4 ms What is the mass of the pendulum?
28 kg
What happens to its potential energy as it passes to the lowest point?
potential energy changes to kinetic energy
How do gravity and potential energy work together to give you a great ride on a roller coaster?
the gravitational potential energy of a roller coaster is equal to two things. Not only is it equal to the gravitational potential energy, it is also equal to the kinetic energy at the lowest point of the coaster. the gravitational potential energy can be calculated as: m*g*h where m is mass (kilograms), g is gravity (9.8 m/s^2), and h is height (metres).d the kinetic energy at the bottom of the coaster can be calculated as (m*v^2)/2 where m is mass (kilograms), v is velocity (metres/second).
What will happen if mechanical energy suddenly disappears?
It doesn't quite make sense for that to happen. Obviously it doesn't make sense from the point of view of energy conservation. Also, mechanical energy consists of kinetic energy - so all objects would suddenly have to stop moving. Mechanical energy also consists of potential energy (including gravitational potential energy), so all objects would suddenly have to be at the lowest possible gravitational potential - presumably, all objects in the Universe would have to come together into a black hole or something like that.
What is examples of mechanical energy?
There are basically two types of mechanical energy: kinetic energy (energy of movement), which you have whenever any object moves; and potential energy (energy of position). An example of potential energy is gravitational potential energy, when an object is higher than at its lowest-possible point - it requires energy to get it there, and energy can be obtained from letting it fall down, as well as other, similar situations, where something has energy related to some force, such as elastic energy, or energy from pushing something against an electric or magnetic field.
What is example of mechanical?
There are basically two types of mechanical energy: kinetic energy (energy of movement), which you have whenever any object moves; and potential energy (energy of position). An example of potential energy is gravitational potential energy, when an object is higher than at its lowest-possible point - it requires energy to get it there, and energy can be obtained from letting it fall down, as well as other, similar situations, where something has energy related to some force, such as elastic energy, or energy from pushing something against an electric or magnetic field.
What type of energy is potentail energy?
Potential energy is the state of matter in which it is not at rest, or at its lowest state. A charged battery has potential energy, as does the water behind an hydro dam.
What type of energy does a ball thrown in the air have at its lowest point?
At it's lowest point it has only kinetic energy because it has to have a height in order to have potential energy
If you have a 2kg pendulum bob that is 6 meters above the ground at its high point and 1 meter at its low point how can you figure the kinetic energy?
Calculate the potential energy at its highest point. Don't use the 6 meters above the ground - use the 5 meter difference from the lowest point. This part of the potential energy gets converted into kinetic energy, when the pendulum is at its lowest point. Just assume that all the potential energy (for the 5 meters difference) get converted into kinetic energy.Calculate the potential energy at its highest point. Don't use the 6 meters above the ground - use the 5 meter difference from the lowest point. This part of the potential energy gets converted into kinetic energy, when the pendulum is at its lowest point. Just assume that all the potential energy (for the 5 meters difference) get converted into kinetic energy.Calculate the potential energy at its highest point. Don't use the 6 meters above the ground - use the 5 meter difference from the lowest point. This part of the potential energy gets converted into kinetic energy, when the pendulum is at its lowest point. Just assume that all the potential energy (for the 5 meters difference) get converted into kinetic energy.Calculate the potential energy at its highest point. Don't use the 6 meters above the ground - use the 5 meter difference from the lowest point. This part of the potential energy gets converted into kinetic energy, when the pendulum is at its lowest point. Just assume that all the potential energy (for the 5 meters difference) get converted into kinetic energy.
