How far up the ramp does the block slide

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Q. A 2.60 kg block slides along a frictionless horizontal with a speed of 3.90 m/s. After sliding a distance of 8 m, block makes a smooth transition to a frictionless ramp inclined at an angle of 33 to horizontal. The acceleration of gravity is 9.81 m/s2. How far up the ramp does the block slide before coming momentarily to rest?

Q. The small spherical planet called "Glob" has a mass of 6.54×10^18 kg and a radius of 6.29×10^4 m. An astronaut on the surface of Glob throws a rock straight up. The rock reaches a maximum height of 2×10^3 m, above the surface of the planet, before it falls back down. What was the first speed of the rock as it left the astronaut's hand? (Glob has no atmosphere, so no energy is lost to air friction. G = 6.67×10-11 Nm2/kg2.)

Reference no: EM1372703

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