A 7.8g dart is fired into a block of wood with a mass of 42.1g. The wood block is initially at rest on a 2.59m tall post. After the collision, the combined wood block and dart land 3.3m from the post. How fast was the dart initially travelling?
A 7.8g dart is fired into a block of wood with a mass of 42.1g. The wood block is initially at rest on a 2.59m tall post. After the collision, the combined wood block and dart land 3.3m from the post. How fast was the dart initially travelling?
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A 7.8g dart is fired into a block of wood with a mass of 42.1g. The wood block is initially at rest on a 2.59m tall post. After the collision, the combined wood block and dart land 3.3m from the post. How fast was the dart initially travelling?
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