4 years ago

Why is static electricity worse in winter?

Physics

1 answer:

Ratling [72]4 years ago

8 0

Because static electricity build up in our homes because we have the heaters on which suck moisture out of the air.

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It takes a soccer player 3 seconds so reduce his speed to 3.1 m/s. What is the magnitude of his acceleration?

Volgvan

Acceleration =change in velocity/change in time.
So final speed minus initial velocity/time
3.1-v/2=a

7 0

3 years ago

Read 2 more answers

Predict how the wavelength of waves traveling with the same speed would change if the frequency of the waves increases?

postnew [5]

The wavelength would decrease because frequency is inversly proportional to the wavelength provided the speed is constant: f=v/λ

6 0

3 years ago

A stone is thrown downward with a speed of 8 m/s from a height of 14 m. (acceleration due to gravity: 10 m/s2) What is the speed

max2010maxim [7]

Answer:

The speed of the stone just before it hits the ground is 18.54 m/s

Explanation:

Given that,

Initial speed of the stone, u = 8 m/s

The stone is thrown downward from a height of 14 m

We need to find the speed of the stone just before it hits the ground. It can be calculated using third equation of motion as :

$v^2-u^2=2ah$

v is the speed of the stone just before it hits the ground

$v^2=2ah+u^2$

$v^2=2\times 10\times 14+(8)^2$

v = 18.54 m/s

So, the speed of the stone just before it hits the ground is 18.54 m/s. Hence, this is the required solution.

6 0

3 years ago

The maximum number of electrons in the second energy level of an atom is ____.

ehidna [41]

Your answer will be 8.

6 0

3 years ago

If a 15kg mass weighs 372 N on Jupiter, what is Jupiter's gravitational acceleration?

Dimas [21]

Answer:

Jupiter's gravitational acceleration is 24.8 m/s^2

Explanation:

Recall that the weight under the influence of a gravitational acceleration G is defined as:

Weight = m * G

Then, in our case we have

372 N = 15 kg * G

G = 372/15 m/s^2

G = 24.8 m/s^2

3 0

3 years ago