Two balls, of masses mA = 28 g and mB = 64 g are suspended as shown in Figure 7-

Question

Two balls, of masses mA = 28 g and mB = 64 g are suspended as shown in Figure 7-44. The lighter ball is pulled away to a 60 angle with the vertical and released.

(a) What is the velocity of the lighter ball before impact? (Take the right to be positive.)
in m/s
(b) What is the velocity of each ball after the elastic collision?

(c) What will be the maximum height of each ball (above the collision point) after the elastic collision?

ball A velocity? m/s ball B velocity? m/s Two balls, of masses mA = 28 g and mB = 64 g are suspended as shown in Figure 7-44. The lighter ball is pulled away to a 60½ angle with the vertical and released. (a) What is the velocity of the lighter ball before impact? (Take the right to be positive.) in m/s (b) What is the velocity of each ball after the elastic collision? ball A velocity? m/s ball B velocity? m/s (c) What will be the maximum height of each ball (above the collision point) after the elastic collision? ball A height in m ball B height in m

Explanation / Answer

(a) m1 falls through a height of 0.30.cos60

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