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aliina [53]
2 years ago
12

PLEASE HELP I NEED HELP PERIODTT​

Physics
2 answers:
juin [17]2 years ago
7 0
Radiation PERIOD LOL
...
SVETLANKA909090 [29]2 years ago
5 0

Answer:

Explanation:

Liluzivert

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When an object like a tree is illuminated by the sun, and you are looking toward the tree, light rays leave the object _________
Dima020 [189]

Objects absorb and reflect light differently depending on their physical characteristics, such as their shape or composition. Thanks to the reflection we can see the objects. Reflection can be defined as the change of direction of a wave, which, when in contact with the separation surface between two changing means, returns to the point where it originated. When the light illuminates the object, such as the tree, the rays of light will disperse in all directions allowing observation.

The correct answer is A. From every point on the surface of the tree, and in every direction

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3 years ago
How much time is needed to produce 720 Joules of work if 90 watts of power is used?
Tems11 [23]

Answer:

8 seconds

Explanation:

power (P) is defined as the rate at which work is done.

power is measured in Watts (W) , when the work done is measured in Joules (J) and time in seconds

by the definition of power,

Power=\frac{work.done}{time.taken} \\ \\ time.taken=\frac{work.done}{power}\\=\frac{720J }{90W} \\ \\ =8 s

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3 years ago
A small flashlight bulb provides a resistance of 3 Ω to the 300 mA current that runs through it. Determine the voltage of the ba
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V=IR

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V= 0.9V

3 0
3 years ago
When you balance a redox equation using the half-reaction method, what do you do after you write the oxidation and reduction hal
Ann [662]
For each half reaction:
>Balance all except O and H
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>balance H using H+
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5 0
3 years ago
Read 2 more answers
In a series circuit what effect will adding more resistors to the circuit have
zhuklara [117]

Answer:In a series circuit, adding more resistors increases total resistance and thus lowers current. But the opposite is true in a parallel circuit because adding more resistors in parallel creates more choices and lowers total resistance. If the same battery is connected to the resistors, current will increase.

Explanation:

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3 years ago
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