Determine the post-explosion velocity of the cannon

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a) When a figure skater makes a jump, he increases his rotation speed by pulling together his arms and legs. This reduces his rotational inertia causing him to spin faster. If the initial spin rate of a figure skater is 1RPM and he decreases his rotational inertia by half during the spin, what is his final spin rate?

b) A 1.5kg cannon is mounted on top of a 2.0kg cart and loaded with a 52.7g ball. The cannon, cart, and ball are moving forward with a speed of 1.27m/s. The cannon is ignited and launches a 52.7g ball forward with a speed of 75m/s. Determine the post-explosion velocity of the cannon and cart.

Reference no: EM132591817

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