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3 years ago

What two things are mixed together to create a blizzard

Physics

1 answer:

Whitepunk [10]3 years ago

8 0

Answer: cold air moisture and warm raising hair

Explanation:

Cold air makes the snow

Moisture creates clouds that have precipitation

Warm Air causes the precipitation and clouds

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9. When considering a magnet's force of attraction over a known distance, you would expect the strength of attraction 4 inches a

slavikrds [6]

Answer: B. 16 times

Explanation:

The mathematic expression for a magnetic force $F_{M}$ between two magnets is:

$F_{M}=K_{M}\frac{m_{1}m_{2}}{r^{2}}$ (1)

Where:

$K_{M}$ is a constant

${m_{1}$ and ${m_{2}$ are the magnetic charges, which depends on the size of each magnet

$r$ is the distance beteween both magnets

As we can see, this force in inversely proportional to the square of the distance. This means that if we increase the distance, the magnetic force will decrease.

Now, if we increase this value by 4 inches from 1 inch:

$F_{M}=K_{M}\frac{m_{1}m_{2}}{{(4)}^{2}}$ (2)

$F_{M}=K_{M}\frac{m_{1}m_{2}}{16}$ (3)

This means the strength of attraction will be 16 times weaker.

3 0

4 years ago

What is a benefit of fossil fuel consumption?

arlik [135]

Answer:

increased greenhouse gases

Explanation:

I think this is the right answer...

8 0

3 years ago

A rocket is fired vertically upward. At the instant it reaches some altitude with a speed of 100 m/s. It explodes into three fra

docker41 [41]

Answer:

The magnitude of the velocity of the third fragment is 212.13 m/s.

Explanation:

Given that,

Speed = 100 m/s

Vertical speed of first fragment = 150 m/s

Vertical speed of second fragment = 150 m/s

We need to calculate the vertical speed of third fragment

Using conservation of momentum

$P_{iy}=P_{fy}$

$mv=\dfrac{m}{3}{v_{1}}+\dfrac{m}{3}v_{2}+\dfrac{m}{3}v_{3}$

Put the value into the formula

$m\times100=\dfrac{m}{3}\times150+\dfrac{m}{3}\times0+\dfrac{m}{3}\times v_{y}$

$\dfrac{1}{3}v_{y}=100-50$

$v_{y}=150\ m/s$

We need to calculate the horizontal speed of third fragment

Using conservation of momentum

$P_{iy}=P_{fy}$

$mv=\dfrac{m}{3}{v_{1}}+\dfrac{m}{3}v_{2}+\dfrac{m}{3}v_{3}$

Put the value into the formula

$m\times0=\dfrac{m}{3}\times0+\dfrac{m}{3}\times150+\dfrac{m}{3}v_{x}$

$\dfrac{1}{3}v_{x}=-50$

$v_{x}=-150\ m/s$

We need to calculate the magnitude of the velocity of the third fragment

$v=\sqrt{v_{x}^2+v_{y}^2}$

Put the value into the formula

$v=\sqrt{(-150)^2+(150)^2}$

$v=212.13\ m/s$

Hence, The magnitude of the velocity of the third fragment is 212.13 m/s.

7 0

3 years ago

A second hand on a clock has a radius of 10 cm what is the circumference of a circle around which the secondhand travels

hram777 [196]

The answer has got to be 91

6 0

3 years ago

If a 1000-pound capsule weighs only 165 pounds on the moon, how much work is done in propelling this capsule out of the moon's g

yulyashka [42]

Answer:

178200 g mile pounds

Explanation:

Work= Force * Distance= Fh

F=ma=mg where m is mass and g is acceleration due to gravity

Work= 165 pounds *g* 1080 m= 178200 g mile pounds

5 0

4 years ago