Two balls of equal mass (0.70kg ) approach the origin along the positive x - and

Question

Two balls of equal mass (0.70kg ) approach the origin along the positive x- and y-axes at the same speed (3.7m/s ).

A) What is the magnitude of the total momentum of the system?

B) What is the direction of the total momentum of the system?

C) Will the balls necessarily collide at the origin? (yes, no)

D) What is the magnitude of the total momentum of the system after both balls have passed through the origin?

E) What is the direction of the total momentum of the system after both balls have passed through the origin? (Degrees below x axis)

Explanation / Answer

A)

P= momento

p= sumatoria (m*v)

p= m1v1 + m2v2 -------> p = 0.7*3.7 +0.7*3.7

p = 5.18

C) yes, because they have the mass and velocity

D)

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