Final answer:
The correct option is: c) 13 m/s. The person's initial potential energy when on the cliff can be converted to kinetic energy as they fall. Using the conservation of energy, you can equate the potential energy to the kinetic energy The velocity of the person as they enter the water from a 30-foot cliff would be approximately 13 m/s.
Step-by-step explanation:
Velocity when entering water from a cliff To find the velocity of a person as they enter the water from a cliff, you can use the principles of physics. The person's initial potential energy when on the cliff can be converted to kinetic energy as they fall. Using the conservation of energy, you can equate the potential energy to the kinetic energy and solve for the velocity. In this case, the velocity would be approximately 13 m/s.
The correct option is: c) 13 m/s. The person's initial potential energy when on the cliff can be converted to kinetic energy as they fall. Using the conservation of energy, you can equate the potential energy to the kinetic energy The velocity of the person as they enter the water from a 30-foot cliff would be approximately 13 m/s.