An object of mass 5.0 kg is pushed up a slope at a steady speed of 2.0 m/s. The diagram shows the slope has a vertical height of 3.0 m and a base length of 8.0 m. Which calculation gives the change in gravitational potential energy from the bottom to the top?

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✓ Correct answer
B: 5.0 × 9.8 x 3.0
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