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Artyom0805 [142]
3 years ago
12

Identify the type of energy used in each action

Biology
1 answer:
Irina-Kira [14]3 years ago
5 0

1. Identify the energy transformations in the following actions. (10 points)

Turning on a space heater

Dropping an apple core into the garbage

Climbing up a rope ladder

Starting a car

Turning on a flashlight

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What is the Mechanical energy when
Scilla [17]

Answer:

ME = 20 * m, where m is the mass of the pendulum

Explanation:

As we know that mechanical energy is the sum of kinetic energy and potential energy.

Since the Pendulum at its highest point has zero velocity, its kinetic energy at this point is equal to zero.

Thus, here in this mechanical energy will be equal to the potential energy only.

Potential energy is equal to the product of gravity constant, mass of the body and the height of the pendulum

Thus,

ME = PE\\

PE = m * g* h\\PE = 10 * 2* m\\

PE= 20m

Hence,

ME = 20 * m

5 0
4 years ago
A scientist helps a colleague do a better expirement by:
Ira Lisetskai [31]
A scientist can help their colleague do a better experiment in a few ways. For one, if it is an experiment on color or texture, They could tell you how it feels or looks from another persons perspective, not just your own.
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3 years ago
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What happens directly after prophase?
ss7ja [257]

Answer:

metaphase

Explanation:

remember PMAT

6 0
3 years ago
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PLEASE ANSWER QUICKLY LIMIT TIME ! <br><br> Make a list of 5 facts about the moon.
nika2105 [10]

Answer:

The moon is earths only permanent natural satellite

the moon always shows earth the same face

the sun and moon are not the exact size

the moon is 238,900 miles from earth

the moon is estimated to be about 4.6 billion years old

7 0
3 years ago
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Which of these is an example of a chemical change?
lawyer [7]

The correct options are, frying an egg and burning candle.

Explanation :

Physical change : It is a change in which no new compounds are formed only changes occurs in size or state of substance. In this, there is no changes in the substance or compound.

Chemical change : It is a change in which a new compounds are formed by the chemical reaction. Changes occurs in their chemical composition and properties.

Frying an egg : It is a chemical change because a new substance is form by heating.

Burning a candle : It is chemical change because new substances are formed (carbon dioxide, water and heat) by burning.

Boiling alcohol : It is physical change because only changes in the state.

Melting and ice : It is a physical change because only changes in the state.

Making coffee : It is a physical change because no new substance is formed.

Therefore, frying an egg and burning candle are the example of chemical change.

4 0
3 years ago
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