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MaRussiya [10]
3 years ago
10

A copper bar of length h and electric resistance r slides with negligible friction on metal rails that have negligible electric

resistance (see figure below. the rails are connected on the right with a wire of negligible electric resistance
Physics
1 answer:
Elanso [62]3 years ago
3 0
I think math is the best idea
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Reactions that release energy into the environment in the form of heat
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DEFINITION:::::;;The type of reactions in which energy is releases to the environment are called Exothermic reactions.

EXAMPLE::: formation of carbon dioxide and urea formation are actually the examples of exothermic reaction..
Hope it helps
6 0
2 years ago
A plastic box has an initial volume of 2.00 m 3 . It is then submerged below the surface of a liquid and its volume decreases to
nikitadnepr [17]

Answer:

Volume strain is 0.02

Explanation:

Volume strain is defined as the change in volume to the original volume.

It is given that,

Initial volume of the plastic box is 2 m³

It is then submerged below the surface of a liquid and its volume decreases to 1.96 m³

We need to find the volume strain on the box. It is defined as the change in volume divided by the original volume. So,

\delta V=\dfrac{V_f-V_i}{V_i}\\\\\delta V=\dfrac{1.96-2}{2}\\\\\delta V=0.02

So, the volume strain on the box is 0.02.

6 0
3 years ago
Can Someone Please Help Me For 10 Points.
Natalija [7]

Answer: C

Explanation: The warm, wet air in a low pressure system has risen up and cooled down.

Please give Brainliest if you can!

4 0
3 years ago
Human perception of the frequency of sound waves is called:
Olin [163]

Answer:

The study of the human perception of sound is called psychoacoustics.

Explanation:

5 0
3 years ago
Object B has a mass of 10 kg. Object B collides with another
vladimir2022 [97]

Answer:

1.8m/s

Explanation:

We know that the momentum of an impact of a body is the mass times he velocity

M= mv

Given data

Mass m= 10kg

Momentum M= 18 kg.m/s

Velocity v=?

We can solve for velocity by submitting our given data in the momentum equation

18 = 10*v

v= 18/10

v= 1.8m/s

5 0
3 years ago
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