During the design of a loop-the-loop on a roller coaster

Reference no: EM13633426

1. A 0.05 kg bullet is fired horizontally into a 8.0-kg block of wood suspended by a rope from the ceiling. The block swings in an arc, rising 0.03 m in height above its lowest position. What was the speed of the bullet?

2. During the design of a loop-the-loop on a roller coaster, the designer wants to have a 75.0-kg small car just barely touching the track at the top of a loop that has a 15.0-m radius. What should be the minimum speed at the top of the loop?

Reference no: EM13633426

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