Reflecting-spherical christmas tree ornament has a diameter

Reference no: EM13666426

1. A reflecting, spherical Christmas tree ornament has a diameter of 20cm. A child looks at the ornament from a distance of 30cm._______cm

2. Assume you were told that a couple where the girl's mass was two thirds that of the boy. The boy has a velocity of v = +0.54 m/s. What would be the girls velocity in this case? _______m/s

Reference no: EM13666426

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