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Answer:
As the block slides down, the block descends and that results in a decrease of gravitational potential energy. Kinetic energy will also increase as the block slides down but will stop when it hits the ground off the ramp.
As the block rolls down, the gravitational potential energy is decreased because it is converted to kinetic energy.
What is gravitational potential energy?
The gravitational potential energy is the energy that is possesed by a body by virtue of its position.
Now when the block starts rolling down, the gravitational potential energy decreases as it is converted to the kinetic energy of the moving block.
Learn more about gravitational potential energy: https://brainly.com/question/9904853?