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Phantasy [73]
3 years ago
8

In the formula Q = m × c × ΔT, which symbol represents specific heat?

Physics
2 answers:
STALIN [3.7K]3 years ago
8 0

Answer:

C is the answer

Explanation:

aivan3 [116]3 years ago
4 0

Answer:

the answer is c

Explanation:

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Define heat capacity of a substance.<br>Write the S.I unit of heat capacity.​
creativ13 [48]

Define heat capacity of a substance:

  • The heat capacity of a substance can be defined as the amount of heat required to change its temperature by one degree.

Write the S.I unit of heat capacity:

  • Joule per Kelvin

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  • Joule per Celsius

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\:  \:  \:

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6 0
2 years ago
A solenoid used to produce magnetic fields for research purposes is 2.1 m long, with an inner radius of 28 cm and 1000 turns of
Veseljchak [2.6K]

Answer:

I = 2172.46 A

Explanation:

Given that,

The length of a solenoid, l = 2.1 m

The inner radius of the solenoid, r = 28 cm = 0.28 m

The number of turns in the wire, N = 1000

The magnetic field in the solenoid, B = 1.3 T

We need to find the current carried by it. We know that, the magnetic field in a solenoid is given by :

B=\mu_o nI\\\\or\\\\B=\mu_o \dfrac{N}{L}I\\\\I=\dfrac{BL}{\mu_o N}

Put all the values,

I=\dfrac{1.3\times 2.1}{4\pi \times 10^{-7}\times 1000}\\\\I=2172.46\ A

So, it carry current of 2172.46 A.

7 0
3 years ago
What are cognitive changes that occur during
horrorfan [7]

Answer:A C E

Explanation:

4 0
2 years ago
I WILL MARK BRAINLIEST TO WHOEVER GETS THIS CORRECT
Veseljchak [2.6K]

Answer:

If south-east Texas is where H then it is C, but if not the answer is A.

6 0
2 years ago
Read 2 more answers
1. How would you expect an instantaneous acceleration vs. time graph to look for a cart moving with a constant
r-ruslan [8.4K]

Answer:

a=0   v = v₀ + a t

a=0    line is horizontal

Explanation:

1, In a graph of acceleration vs. time, we have lines, when the line is horizontal it is zero, when the line has a positive slope the increasing accelerations and when the slope is negative the decreasing acceleration

2, speed and relationship of a car is given by

        v = v₀ + a t

where vo is the initial velocity, a is the acceleration and tel time

in this case I will calcograph velocity vs. time the constant acceleration is a straight line.

In general from the graph we can find the initial velocity with the cut at that x and the acceleration of the car with the slope

6 0
3 years ago
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