Auniform solid sphere is rolling without slipping along a horizontal surface with a speed of 5.50 m/s when it starts up a ramp that makes an angle of 25.0° with the horizontal. what is the speed of the sphere after it has rolled 3.00 m up the ramp, measured along the surface of the ramp?

This question can be answered using the conservation of energy.

Explanation:

The moment of inertia of a solid sphere is

The potential energy is found by using the vertical distance, not the 3.00 m up the ramp. We multiply this 3.00 m by sine of 25° to find the vertical distance.

In rolling without slipping the translational speed is related to rotational speed through .

i think it’s a. this is because if they measured the mass of something with a mass of 150g, then their final answer would have to be approximately 150g. though all of their answers are almost 150, rosa and tran have the closest answers (or the exact answer) to the accurate one.