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Murrr4er [49]
2 years ago
12

I just want to shift to another country to learn like London so who can tell me the progress​

Physics
1 answer:
scoray [572]2 years ago
3 0

Answer:

by shift do you mean travel

Explanation:

You might be interested in
Light with an intensity of 1 kW/m2 falls normally on a surface and is completely absorbed. The radiation pressure is
kobusy [5.1K]

Answer:

The radiation pressure of the light is 3.33 x 10⁻⁶ Pa.

Explanation:

Given;

intensity of light, I = 1 kW/m²

The radiation pressure of light is given as;

Radiation \ Pressure = \frac{Flux \ density}{Speed \ of \ light}

I kW = 1000 J/s

The energy flux density = 1000 J/m².s

The speed of light = 3 x 10⁸ m/s

Thus, the radiation pressure of the light is calculated as;

Radiation \ pressure = \frac{1000}{3*10^{8}} \\\\Radiation \ pressure =3.33*10^{-6} \ Pa

Therefore, the radiation pressure of the light is 3.33 x 10⁻⁶ Pa.

6 0
3 years ago
What is conduction and induction?
Romashka [77]
Conduction involves physical contact to charge, well induction does not.
Learn more at: <span>www.physicsclassroom.com/class/estatics/Lesson-2/Charging-by-Conduction</span>
8 0
3 years ago
Read 2 more answers
You are designing a delivery ramp for crates containing exercise equipment. The 1890 N crates will move at 1.8 m/s at the top of
Mashcka [7]

Answer:

K = 588.3 N/m

Explanation:

From a forces diagram, and knowing that for the maximum value of K, the crate will try to rebound back up (Friction force will point downward):

Fe - Ff - W*sin(22) = 0    Replacing Fe = K*X   and then solving for X:

X = \frac{Ff + W*sin(22)}{K}=\frac{1223}{K}

By conservation of energy:

\frac{K*X^{2}}{2}-mg*d*sin(22)-\frac{m*V^{2}}{2}=-Ff*d

Replacing our previous value for X and solving the equation for K, we get maximum value to prevent the crate from rebound:

K = 588.3 N/m

6 0
3 years ago
How do electric motors create movement?
melomori [17]

Answer:

D by spinning magnets to induce electric current.

7 0
3 years ago
The potential difference across a resistor increases by a factor of 2. How does the current change? (Ohm's law: V = IR) A. It de
Sedaia [141]
The answer is C.

The question says the potential difference is what is changing, which means we're solving for V.

It tells us that potential difference increases by a factor of two, which just means V doubles.

With this info, we can pick some numbers, plug it into Ohms law and see what happens.

Here's an example where I just picked random numbers that are easy to work with:

V=I*R
10=I*5
I=2
Lets increase the potential difference (V) by a factor of two and see what happens to current:
V=I*R
20=I*5 (all I've done is double the potential difference from 10 to 20)
I=4

When we increase V by a factor of 2, I increases by a factor of 2. We went from I=2 to I=4.
We can increase V by factor of 2 again and see:
V=I*R
40=I*5
I=8

Okay, current just increased by a factor of 2 again when we increased the potential difference by a factor of 2.

It's always good to check work with alternate numbers, so here's one more set:
V=I*R
16=I*4
(remember, we know we're solving for V, so I'm just plugging in random numbers for I and R)
I=4
Increase V by factor of 2:
32=I*4
I=8

So, when we increase V (the potential difference) by a factor of 2, I (current) always increases by a factor of 2 as well.

Hope this helps!





3 0
3 years ago
Read 2 more answers
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