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4 years ago

How did the failure of the League of nations lead to the rise of dictatorship ?

Physics

1 answer:

kenny6666 [7]4 years ago

6 0

Answer:

Failure of League of Nations became a cause for the rise of dictatorship because after the first world war the league of nations was established to maintain peace in the world and to prevent wars but it proved weak and failed to achieve its aims.

Explanation:

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What is the current flowing through a 10 resistor in a parallel circuit with a 120 V potential difference across it?

Elena L [17]

Answer:

let current flow be x

Explanation:

than we know potential difference = energy supply / charge then 120 = 10 /x then x=12 therefore pd = 12 v

5 0

3 years ago

Read 2 more answers

The speed of a rocket just after being launched is 12 m / s.

drek231 [11]

This question involves the concepts of the equations of motion, kinetic energy, and potential energy.

a. The kinetic energy of the rocket at launch is "3.6 J".

b. maximum gravitational potential energy of the rocket is "3.6 J".

<h3>a. KINETIC ENERGY AT LAUNCH</h3>

The kinetic energy of the rocket at launch is given by the following formula:

$K.E=\frac{1}{2} m v_i^2$

where,

K.E = initial kinetic energy = ?
m = mass of rocket = 0.05 kg
$v_i$ = initial speed = 12 m/s

Therefore,

$K.E=\frac{1}{2}(0.05\ kg)(12\ m/s)^2$

K.E = 3.6 J

<h3>b. MAXIMUM GRAVITATIONAL POTENTIAL ENERGY</h3>

First, we will use the third equation of motion to find the maximum height reached by rocket:

$2gh=v_f^2-v_i^2$

where,

g = -9.81 m/s²
h = maximum height = ?
vf = final speed = 0 m/s

Therefore,

2(-9.81 m/s²)h = (0 m/s)² - (12 m/s)²

h = 7.34 m

Hence, the maximum gravitational potential energy will be:

P.E = mgh

P.E = (0.05 kg)(9.81 m/s²)(7.34 m)

P.E = 3.6 J

Learn more about the equations of motion here:

brainly.com/question/5955789

4 0

2 years ago

These UV photons can break chemical bonds in your skin to cause sunburn—a form of radiation damage. If the 305 nm radiation prov

astraxan [27]

Answer:

energy = 391.902 kJ /mol

Explanation:

given data

wavelength = 305 nm = 305 × $10^{-9}$ m

to find out

average energy

solution

we know speed of light is 3 × $10^{8}$ m/s

so we find frequency here first by speed of light formyla

speed = wavelength × frequency

3 × $10^{8}$ = 305 × $10^{-9}$ × frequency

frequency = 9.8360 × $10^{14}$ $s^{-1}$

so energy is

energy = hf

here h = 6.62 × $10^{-34}$ J-s

energy = 6.62 × $10^{-34}$ × 9.8360 × $10^{14}$

energy = 6.51 × $10^{-14}$ J

energy = 6.51 × $10^{-14}$ × $\frac{6.02*10^23}{1000}$ kJ/mol

energy = 391.902 kJ /mol

7 0

4 years ago

In about 5 billion years, at the end of its lifetime, our sun will end up as a white dwarf, having about the same mass as it doe

masya89 [10]

The formula of density is given by

Density = Mass ÷ Volume

We have:
Mass = 1.989 × 10³⁰ kg
Volume = $\frac{4}{3} \pi r^3$ = $\frac{4}{3} \pi (7500)^3 = 1.767*10^12$ km³

Density = $\frac{(1.989)(10^{30})}{(1.767)(10^{12})}$ =1.13×10¹⁸ kg/km³

Converting 1.13 × 10¹⁸ kg/km³ to g/cm³

1.13 × 10¹⁸ kg = 1.13 × 10¹⁸ × 10³ = 1.13 × 10²¹ grams
1 km³ = 1 × 10⁶ cm³

(1.13 × 10²¹) ÷ 10⁶ = 1.13 × 10¹⁵ gr/cm³

Answer: Density 1.13 × 10¹⁵ gr/cm³

8 0

4 years ago

Read 2 more answers

Katrina pushes off a flat sidewalk on her new skateboard<br> What causes her to move?

galina1969 [7]

Answer:

Gravity and Friction

Explanation:

How gravity and friction work which u probably know

8 0

3 years ago