3 years ago

) what is kinetic energy, and how does it differ from potential energy?

1 answer:

7 0

Kinetic energyis the energy of body or a system with respect to the motion of the body or of the particles in the system. Potential energy is the stored energy in an object of system because of its position or configuration.

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Acceleration of a free-falling object in a frictionless environment increases as a function of time.

Digiron [165]

A free-falling object is an object moving under the effect of gravitational forces alone

The correct option to select for the True or False question is False

The reason the above selected option is correct is as follows:

According to Newton's second law of motion, we have;

Force = Mass × Acceleration

The force of gravity is $F_{g} =G \cdot \dfrac{M \cdot m}{r^{2}}$

Where;

$G \cdot \dfrac{M }{r^{2}} = Acceleration \ due \ to \ gravity , \ g \approx 9.81 m/s^2$

m = The mass of the object

∴ The force acting on an object in free fall, $F_g$ = m × g

Therefore the acceleration of an object in free fall is the constant acceleration due to gravity, and it therefore, does not change with time

The correct option for the question, acceleration of a free-falling object in a frictionless environment increases as a function of time is False

Learn more about object in free fall here:

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2 years ago

When looking at liquids in a container, that have layered on one another;

Mashcka [7]

Answer: C. At the bottom

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2 years ago

All the interconnected paths of energy flowing from species to species in an ecosystem is called a