1. A 500 kg car moving with a velocity of 10 m/s hits a 1000 kg parked car. The impact causes the 1000 kg car to be set in motion at 15 m/s. Assuming that momentum is conserved during the collision, determine the velocity
of the car immediately after the collision.
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Answer:
Vf² or final velocity = 15 m/s
Explanation:
m¹v¹+m²v²=m¹v¹+m²vf²
500kg(10m/s)+1000kg(15m/s)=500kg(10m/s)+1000kg(vf²)
20,000kg m/s=5000kg m/s+1000kg(vf²)
vf²= 15000kg m/s
1000kg
vf²=15 m/s
substitute,
500kg(10m/s)+1000kg(15m/s)=500kg(10m/s)+1000kg(15m/s)
20000kg m/s= 20000kg m/s