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Ch. 7 Momentum by Mind Map: Ch. 7 Momentum
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Ch. 7 Momentum

Linear Momentum

vector Quanity having same direction as the velocity

The vector of p = mass times the vector of velocity

The momentum and changes of two objects are always equal and opposite

Momentum

Vector quanity

For momentum to be Conserved these things must be constant

Mass and velocity involved

Conservation

Collisions

Completely Inelastic

Inelastic

Elastic

System of Particles

Center of Mass

Problem solving: Collisions

Draw before and after diagrams

Collect and organize data on masses and velocities

Set the sum of momenta of the two before the collision = to the sum of the momenta after the collision

Write one equation for each direction

If perfectly inelastic set final velocities equal

If perfectly elastic set final kinetic energy equal to initial kinetic energy

Solve for unknown quantities

Words of the Day

Transpicuous

Trust

Woolgathering

Applicability