Practice Problem: Kinetic and Potential Energy of a Ball on a Ramp

The video tutorial explains a physics problem involving a ball rolling down a ramp and being launched into the air. It covers the concepts of kinetic and potential energy, demonstrating how to calculate these energies at different points along the ramp. The tutorial emphasizes the conservation of mechanical energy and uses this principle to determine the ball's velocity at the lowest point of the ramp and upon impact with the ground. The video provides a practical example of applying physics concepts to solve real-world problems.

What is the mass of the ball used in the ramp experiment?

• 0.20 kilograms

• 0.25 kilograms

• 0.15 kilograms

• 0.10 kilograms

Which type of energy is associated with the position of an object?

• Kinetic energy

• Electrical energy

• Thermal energy

• Potential energy

What is the total mechanical energy of the ball at the top of the ramp?

• 4.4 joules

• 3.7 joules

• 6.2 joules

• 5.0 joules

What is the velocity of the ball at the lowest point of the ramp?

• 8.0 meters per second

• 7.66 meters per second

• 7.02 meters per second

• 6.5 meters per second

What is the kinetic energy of the ball when it hits the ground?

• 3.7 joules

• 4.4 joules

• 5.0 joules

• 6.2 joules