Asked by Mah
A test car with a dummy driver of mass 60 kg was propelled towards a rigid wall. If the speed of the dummy driver just before impact was 40m/s and the time between the collision and the dummy coming to the rest was 0.10 s, calculate: (i) the average retardation of the dummy driver during impact and (ii) the average force acting on the dummy driver due to the impact.
Answers
Answered by
Fatima
This will be solved like this
i part
A=v-u÷0.10
A=0-40÷0.10
A=-40÷0.10
A=-400m/s²
ii part
Force = mass × acceleration
F=60×400
F=24KN
i part
A=v-u÷0.10
A=0-40÷0.10
A=-40÷0.10
A=-400m/s²
ii part
Force = mass × acceleration
F=60×400
F=24KN
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