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Q1. A vertical spring with a spring constant of 370 N/m is mounted on the floor. From directly above the spring, which is unstrained, a 0.15-kg block is dropped from rest. It collides with and sticks to the spring that is compressed by 2.6 cm in bringing the block to a momentary halt. Assume air resistance is negligible; from what height above the compressed spring was the block dropped?

Q2. A jetliner is moving at a speed of 187 m/s. The vertical component of the plane's velocity is 44.5 m/s. find out the magnitude of the horizontal component of the plane's velocity.

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