What is the speed of the third fragment

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Reference no: EM138625

Q1. A 2.75-mm-tall object is 8.0 cm to the left of a convex lens of 5.7 cm focal length. Find the image position and height.

Q2. A 29.0-kg body is moving in the direction of the positive x axis with a speed of 398 m/s when, owing to an internal explosion, it breaks into three pieces. One part, who's mass is 8.5 kg, moves away from the point of explosion with a speed of 319 m/s along the positive y axis. A second fragment, who's mass is 3.4 kg, moves away from the point of explosion with a speed of 418 m/s along the negative x axis. What is the speed of the third fragment? Ignore effects due to gravity.

Reference no: EM138625

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