Asked by erick
aminibus of mass15Kg travelling at avelocity of 72km/hr collides with astationary car of mss900kg.The impact takes to see see before the two moving at aconstant velocity of20m/s.calculate the;common velocity,distance moved after the impact,the force of imulse during coallitionand the kinetic energy before and after the collusion
Answers
Answered by
bobpursley
you can calculate the Kinetic energy before and after:
before.. 1/2 *15*v^2 (change 72km/hr to m/s)
after... 1/2 (15+20) 20^2
common velocity? I have no idea what you mean. distance moved? can't be done with the given information. Force of impulse? cant be done.
before.. 1/2 *15*v^2 (change 72km/hr to m/s)
after... 1/2 (15+20) 20^2
common velocity? I have no idea what you mean. distance moved? can't be done with the given information. Force of impulse? cant be done.
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