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vichka [17]
3 years ago
10

The smallest unit of an element that has all of the properties of the element is a/an

Physics
1 answer:
AysviL [449]3 years ago
7 0

Answer:B

Explanation: an atom is the smallest particle of an element that can take part in a chemical reaction.

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A series circuit has a current of 2 Amperes and an equivalent resistance of 4 Ohms. What is the power of this circuit?
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Power = Current² * Resistance

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Power = 16 Watts


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The mass of a sports car is 1000 kg. The shape of the car is such that the aerodynamic drag coefficient is 0.260 and the frontal
alisha [4.7K]

Answer:

The initial acceleration is 0,221 m/s^2.

Explanation:

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3 years ago
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An air conditioner running with R-134a on a cycle executed under the saturationdome between the pressure limits of 0.8 MPa and 0
ohaa [14]

Answer:

The COP of the system is = 4.6

Explanation:

Given data

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Now we have to find out high & ow temperatures at these pressure limits.

Higher temperature corresponding to pressure 1.8 M pa

T_{H} = 62.9 °c = 335.9 K

Lower temperature corresponding to pressure 0.2 M pa

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COP of the system is given by

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COP = \frac{335.9}{335.9 -262.9}

COP = 4.6

Therefore the COP of the system is = 4.6

8 0
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A ball is thrown against a wall and bounces back toward the thrower with the same speed as it had before hitting the wall. Does
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A) Although the speed is the same, the direction has changed. Therefore, the velocity has changed.

Explanation:

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It got transferred to kinetic energy

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