Thursday, 21 March 2019

Term 1 Week 7 2019

Homework:
  • Ex 2B, p.16-18, Graphing(Complete these for the upcomming Lab Assessment)
  • Ex 2C, p.19-25, Identifying Relationships and Experimental Equations(Complete these for the upcomming Lab Assessment)
  • Ex 2B, p.23-40, Level 3 Handout booklet on Graphing Errors (Complete these for the upcomming Lab Assessment)
  • Ex 4D, p.108-112, Momentum P = mv
  • Ex 4C, p.105-107, Impulse ΔP = FΔt

Momentum

Conservation of Momentum
In the absence of external forces the total momentum of a system is always conserved

Impulse
The change in Momentum for a single object
ΔP = Pf - Pi
&
ΔP = FΔt
&
ΔP = mΔv
  • The unis are eithor Ns or kgms-1 , this is the same unit and the one that is used depends on the context
  • Impulse on one object is always equal and opposite to the impulse on the other onject - Newton's Third Law



Physics of Car Crashes (Impulse)

Impulse


Impulse


Impulse examples///Homemade Science with Bruce Yeany


Impulse

Momentum

What is Momentum?


Impulse


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