![subject](/tpl/images/cats/fizika.png)
You will use this for Levels 1 to 3.
A 5 kg bowling ball is moving toward one last bowling pin at a speed of 6 m/s. The bowling pin has a mass of 1 kg and is staying still. After they
collide, they experience an inelastic collision and both the ball and the pin move at some unknown speed.
Equation: mq*V1 + m2*v2 = my*V1,f+ m2*v2,f (different final velocity)
m1*v1 + m2*v2 = m1*vf + m2*vf (Same final velocity)
Question 1
Level 1:
Calculate the momentum for the 5kg bowling ball moving at 6 m/s
Question 2
Level 2:
Which of the following is the correct way to label the conservative of momentum equation?
A: (5kg)*(6 m/s)+(1kg)*(0 m/s)=
(5kg)*(vf) +(6kg)*(vf)
B: (5kg)*(0 m/s)+(1kg)*(6m/s)=
(5kg)*(vf)+(1 kg)*(vf)
C: (5kg)*(6m/s)+(1kg)*(0 m/s)=
(5kg)*(vf)+(1kg)*(6m/s)
D: (5kg)*(6 m/s)+(1kg)*(0 m/s)=
(5kg)*(vf)+(1kg)*(vf)
Question 3
Level 3:
Using the equation you chose before, calculate the final velocities of the bowling ball and the bowling pins.
Level 4: Let’s say that you now use a bowling ball was now 6kg and moving at 12m/s before hitting the bowling pin. The bowling pin is now 2 kg and staying still. Your friend makes a prediction using conservation of momentum. He claims that the bowling ball and the pin must both be moving at 6 m/s after colliding.
Question 4:
You find out that your friend’a claim was inaccurate. Why was their claim correct?
Question 5:
How could you change there initial velocity of the bowling ball to ensure that your friend was correct in the claiming that the final velocity is 6m/s?
![ansver](/tpl/images/cats/User.png)
Answers: 1
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