0
When 2 objects of the same mass traveling at the same speed collide is the energy canceled out?
Wiki User
∙ 14y ago
The answer depends on the material of the objects. In physics, one useful concept is the concept of a perfect elastic collision, which is an idealization of the real world. An elastic collision is a collision where no deformation of objects is taking place, and thus the kinetic energy of the moving objects is preserved as no kinetic energy is transformed to heat or work during an elastic collision. In short, for elastic collisions, kinetic energy is preserved and not canceled out. In reality, there will always be some (or a lot) loss of kinetic energy to heat or work done in deforming objects, think of a car crash where there is a lot of kinetic energy spent in deformation of the cars (modern cars are designed to absorb a maximum amount of kinetic energy to be converted into deformation of objects in order to save lives), but in practical life there are many situations where the fraction of kinetic energy lost to heat or work during a collision may be neglected as it is very small. A good demonstration in real world is colliding billiard balls, or the stones used in the sport of curling, these kind of collisions may for practical purposes be considered elastic. The sum of kinetic energy and the sum of momentum for the moving objects are the same before and after the collision. This means, if 2 equal objects of same mass and same speed but opposite direction of movement collide head on in an elastic collision, their direction of movement will be reversed and their speed will be the same as before collision. Think of two equal billiard balls travelling at same but opposite speed colliding head on. When a moving object hits a moving object at an angle, or at rest or travelling at different speed or is of different mass, that is a different story, but the same rules of physics apply of course, the speed and directions of movement of the objects after any elastic collision may be easily calculated using Newton's laws.
Wiki User
∙ 14y ago
Add your answer:
Earn +20 pts
When two objects collide and completely stick together the collision is said to be inelastic True Or False?
True. In an inelastic collision, objects collide and stick together, resulting in a loss of kinetic energy.
When 2 objects collide what do they exchange?
When two objects collide, they can exchange energy and momentum. This exchange can result in changes in the objects' motion and speed. Additionally, they can exchange forces and potentially deform or damage each other depending on the nature of the collision.
What transfers heat energy between particles as they collide within a substance or between two objects in contact?
Conduction transfers heat energy between particles as they collide within a substance or between two objects in contact.
Why do things bounce back when they collide?
When objects collide, the force of the impact causes them to compress and store energy. This stored energy then causes the objects to rebound or bounce back. The amount of energy stored and the elasticity of the objects determine how much they will bounce back after colliding.
What is engery in motion?
Energy in motion refers to kinetic energy, which is the energy possessed by an object due to its motion. This energy is directly proportional to an object's mass and the square of its velocity. Kinetic energy is responsible for the ability of objects to perform work or transfer energy to other objects when they collide.
When objects kinetic energy can be transferred.?
When objects collide or touch, kinetic (mechanical) energy can be transferred.
When objects blank kinetic energy can be transferred?
When objects collide or touch, kinetic (mechanical) energy can be transferred.
What transfer of energy naturally occurs between objects?
Heat transfer is a natural process where energy flows from a warmer object to a cooler one. This can happen through conduction, convection, or radiation.
What transfers heat energy between particles as they collide within a substance or between two objects in contact?
Conduction transfers heat energy between particles as they collide within a substance or between two objects in contact.
How is heat transferred when objects touch?
When objects touch each other, heat is transferred through a process called conduction. In this process, heat energy moves from the hotter object to the cooler one as the particles of the two objects collide and transfer energy between them. The rate of heat transfer depends on the thermal conductivity of the materials and the temperature difference between the objects.
What is conserved when two object collide in a closed system?
Momentum is conserved when two objects collide in a closed system.
Can energy transfer happen between two objects when each object has the exact same energy?
When each object has the same energy, energy transfer can still occur between objects. The object with the greatest mass or traveling speed will transfer the energy.
What is the impact of two objects called?
When two objects collide, the impact depends on factors like their mass, speed, and direction of motion. The collision can result in a transfer of energy, momentum, and deformation of the objects involved. The impact can range from an elastic collision, where kinetic energy is conserved, to an inelastic collision, where some energy is lost due to deformation or heat.
What is the energy transfer between particles as they collide within a substance or between two objects in contact called?
The energy transfer between particles as they collide within a substance or between two objects in contact is called thermal conduction. It involves the transfer of heat through direct contact between particles or objects. It is a process by which energy is transferred from the higher-temperature body to the lower-temperature body.
Why do objects stick together after a collision?
Objects stick together after a collision due to the conservation of momentum and energy. When two objects collide, the total momentum of the system is conserved, leading them to stick together if the resulting momentum can only be achieved by them moving together. Additionally, kinetic energy may be converted into other forms, such as deformation or sound, causing the objects to stick together.
What happens to momentum when moving objects collide?
The momenta of individual objects changes. The total momentum remains constant. I have to disagree. If you have two cars that collide head on, the momentum of both vehicles stops. The ENERGY created by the impact causes usually, some reverse momentum but the momentum is lost.
What is the degree in an inelastic glancing collision?
In an inelastic glancing collision, momentum is conserved but kinetic energy is not. The resulting degree of the collision depends on the masses and velocities of the objects involved, as well as the angle at which they collide. The objects will move together after the collision, with some of the initial kinetic energy being transformed into other forms of energy such as heat or sound.
