Answered

What type of energy is involved when a river moves sediment and erodes its banks?

Achemical energy
Bgravitational energy
Cpotential energy
Dkinetic energy

What happens as gravity pulls water down a slope?

AKinetic energy changes to potential energy.
BBoth kinetic and potential energy vanish.
CEnergy is stored for future use.
DPotential energy changes to kinetic energy.

Verified Answer :

W0lf93

First question: The type of energy involved when a river moves sediment and erodes its banks is: option d. Kinetic energy. Kinetic energy is the energy associated with motion. A body (in this case the water) that moves has an energy associated with its motion that is proportional to the speed (exactly to the square of the speed). When the water collides with the banks it is the kinetic energy of the river that erodes it Second question: the answer is the option d. As gravity pulls water down a slope potential energy changes to knietic energy. This is the, water loses altitude and gains velocity. The potential energy. which is proportional to the height, decreases and the kinetic energy, which is proportional to the square of the speed, increases.

Answer:

Question A: D., or "kinetic energy".

Question B: D., or "Potential Energy changes to kinetic energy."

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