VanKwisH said:yes it exploded from rest, and my teacher said in this case there is no friction ...
A collision in 2 dimensions refers to the interaction between two objects in a two-dimensional space where the objects come into physical contact with each other. This can result in changes in the motion or properties of the objects involved.
In 2 dimensions, the objects involved in a collision only have movement along two axes, whereas in 3 dimensions, they can have movement along three axes. This means that in 2 dimensions, collisions are limited to a flat surface, while in 3 dimensions, they can occur in any direction.
The outcome of a collision in 2 dimensions is determined by the initial velocities and masses of the objects involved, as well as the angle and point of impact. The conservation of momentum and energy also play a role in determining the outcome.
The momentum of an object in 2 dimensions is calculated by multiplying its mass by its velocity in the x and y directions. This can be represented by the equation p=mv, where p is the momentum, m is the mass, and v is the velocity.
Yes, collisions in 2 dimensions can be perfectly elastic if there is no loss of kinetic energy during the collision. This means that the objects involved will bounce off each other without any loss of energy, resulting in a change in direction and speed for each object involved.