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2 years ago

What happens to an object's kinetic energy as it falls from some height?

Physics

1 answer:

natulia [17]2 years ago

7 0

Answer:

The objects kinetic energy increases as it falls from some height.

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An internal resistance of 5 ohm and a battery of 15 ohm is connected to a resistance of 20 ohm calculate the electric current

Allushta [10]

Answer:

.6 A

Explanation:

Battery 15 VOLTS

V = IR

V / R = I

15 / ( 5+20) = .6 amps

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2 years ago

An owl weighing 40N is sitting in a tree waiting to dive down to catch a mouse. If the owl's potential energy is 800 J with resp

Natali5045456 [20]

Answer:

h = 20 m

Explanation:

Gravitational Potential Energy

Gravitational potential energy (GPE) is the energy stored in an object due to its vertical position or height in a gravitational field.

It can be calculated with the equation:

U=m.g.h

Where m is the mass of the object, h is the height with respect to a fixed reference, and g is the acceleration of gravity or $9.8 m/s^2$ .

The weight of an object of mass m is:

W = m.g

Thus, the GPE is:

U=W.h

Solving for h:

$\displaystyle h=\frac{U}{W}$

The weight of the owl is W=40 N and its GPE is U=800 J.

$\displaystyle h=\frac{800}{40}=20$

h = 20 m

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3 years ago

What is Archimedes principal ?

Gnoma [55]

The Archimedes principle is a principle that is expressed as a law that states that a body immersed in a fluid, whether fully or partially, is subject to an upward force of the same magnitude as the weight of the fluid it displaces.

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1 year ago

In an experiment what are all the parts of an experiment that remain unchanged are called

stira [4]

The answer for this question is Control Variable because it doesn’t change throughout the experiment.

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3 years ago

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vladimir2022 [97]

Answer:

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