Motion ( Vectors and Scalars)
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9 Terms
What is distance?
The length of the path taken ( SI- metre)
What is displacement?
The straight-line path between two points ( SI- metre)
What is speed?
The rate of change of distance with time ( SI- m/s)
What is Velocity?
The rate of change of displacement with time( SI- m/s) (formula: displacement / time)
What is the formula for average velocity?
Average vel.= final velocity + initial velocity / 2
What is Accerleration?
The rate of change of velocity with time ( SI- m/s squared) (formula: final velocity - initial velocity / time)
Momentum
The product of an objects mass by its velocity (SI- kgms-1) ( formula: mass * velocity)
Change of momentum
m(v-u)
What is the principle of conservation of momentum
The total momentum before a collision is = to the total momentum after a collision
Note 
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