Find the speed of the golf ball just after impact

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Q.The length of a string is 456 cm. It is held ?xed at each end. The string vibrates in three sections; i.e., the string has three antinodes,and the string vibrates at 180 Hz.

Find the wavelength.

Q. High-speed stroboscopic photographs show that the head of a 215 g golf club is traveling at 55 m/s just before it strikes a 46 g golf ball at rest on a tee. After the collision, the club head travels (in the same direction) at 42 m/s. Find the speed of the golf ball just after impact.

Reference no: EM1348935

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