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A 481 kg mass is sliding on a horizontal frictionless surface with a speed of 10 m/s when it collides with a 80 kg mass initially at rest, as shown. The masses stick together and slide up a frictionless track at 60? from horizontal. What is the speed of the two blocks immediately after the collision? The acceleration due to gravity is 9.8 m/s2.

Answer in units of m/s. 

After the collision, the masses slide up the incline. To what maximum height h above the horizontal surface will the masses slide?

Answer in units of m.

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