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A small wooden block with mass 0.775 kg is suspended from the lower end of a...

A small wooden block with mass 0.775 kg is suspended from the lower end of a light cord that is 1.52 m long. The block is initially at rest. A bullet with mass 0.0136 kg is fired at the block with a horizontal velocity of 375 m/s . The bullet strikes the block and becomes embedded in it. After the collision the combined object swings on the end of the cord. The block and bullet rise so that the cord makes an angle of 42.5 ∘(this is not the angle at the maximum height

a) What is the kinetic energy of the block and bullet at this angle? (answer in J)

b) What is the tension at this angle? (answer in N

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