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When a roller coaster is coasting uphill and losing speed, its kinetic energy is decreasing. This is because the coaster is converting its kinetic energy into potential energy as it gains height. As it ascends, the speed diminishes, reflecting the loss of kinetic energy, while potential energy increases due to the elevated position. Ultimately, the total mechanical energy remains conserved if we neglect friction and air resistance.
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How does the law of conservation-of energy relate to roller coasters?
It is easier to see this using a traditional roller coaster model. Most traditional Roller Coasters start by using a tow cable to pull them up a large "hill". When being pulled up this hill, mechanical energy is being used to give the roller coaster potential energy. At the top of this hill, the roller coaster has it's maximum potential energy. As it starts to go down another hill, it picks up speed. During the descent it is losing potential energy but at the same time gaining kinetic energy. The coaster will then lose kinetic energy but gain potential energy as it goes up the next hill. This cycle of gaining/losing potential and kinetic energy is the conservation of energy that you are looking for. Of course in a real roller coaster, some energy will be lost due to friction. This will come off as heat in the rails and the wheels of the roller coaster and it's structure.
What forms of energy are involved in a bicycle coasting along a level road?
It's probably a bit of both. As long as the bike is moving it'll have some kinetic energy. If it's moving uphill it'll be gaining potential energy and if it's moving downhill it'll be losing potential energy.
A car coasts up a hill. As it climbs it slows down. Which type of energy is the car losing as it goes up?
The car is losing kinetic energy as it climbs the hill. This kinetic energy is being transferred into potential energy due to the increasing height gained during the climb.
Change in speed what kind of form of energy is that?
when you decrease or increase speed you are losing or gaining kinetic energy respectively
When a boulder is rolling down a hill what energy is it losing?
As the boulder rolls down the hill, it is primarily losing potential energy that it had due to its position on the hill. As it moves, this potential energy is being converted into kinetic energy of motion.
When a puck falls it potential energy increase or decrease?
As a puck falls, its potential energy decreases and is converted into kinetic energy due to the force of gravity acting on it. The potential energy decreases because the puck is losing height and moving closer to the ground, which decreases its gravitational potential energy.
When a coin is dropped to the ground as the coin falls it loses potential energy and gains what kind of energy?
As a coin falls to the ground, it loses potential energy due to a decrease in height and gains kinetic energy, which is the energy of motion. This kinetic energy increases as the coin's speed increases during its fall.
When a substance cools off what type of energy is it losing?
When a substance cools off, it is primarily losing thermal energy in the form of heat to its surroundings. The molecules inside the substance lose kinetic energy, resulting in a decrease in temperature.
When a plane is landing it is gaining potential energy?
No, it's losing potential energy, since it gets lower.
What causes the change in the marble's energy when it is released from a different height?
It gains kinetic energy while losing potential energy. There is also some additional energy loss due to entropy,
What does it mean when a collision is elastic and how does it differ from an inelastic collision?
In an elastic collision, kinetic energy is conserved and the objects bounce off each other without losing energy. In an inelastic collision, kinetic energy is not conserved and some energy is lost as the objects stick together or deform.
How does the energy associated with a bicycle change as it speeds up going downhill?
The energy associated with a bicycle changes as it speeds up going downhill due to the fact that potential energy is converted to kinetic energy. The potential energy is the energy of the position. The kinetic energy is the energy of movement.
