3 years ago

How do you know or find out if an element is a solid, liquid or gas?

Physics

1 answer:

lubasha [3.4K]3 years ago

3 0

Liquid is not a solid object so make sure you define them

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Which one of these is a natural factor that effects the environment?

Lana71 [14]

B is the correct answer.

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3 years ago

Which statement about force is incorrect

garik1379 [7]

Answer:

What are the options?

Explanation:

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3 years ago

A lightbulb has a resistance of 195 Ω and carries a current of 0.62 A.

ki77a [65]

Answer:

Explanation:

Power is current times voltage:

P = IV

Voltage is current times resistance:

V = IR

Therefore:

P = I²R

Given I = 0.62 A and R = 195 Ω:

P = (0.62 A)² (195 Ω)

P ≈ 75 W

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3 years ago

The curved movement of air or water is the result of which of these?

ella [17]

<h3><u>Answer;</u></h3>

B. the rotation of Earth on its axis

<h3><u>Explanation;</u></h3>

<em><u>The Coriolis effect describes how the Earth's rotation steers winds and surface ocean currents. The Coriolis effect causes the motion of a freely moving object to appear as a curve.</u></em>
<em><u>Therefore, since air and water move freely, the Coriolis effect makes their movement to be curved. This is why the movement of winds and oceans does not follow a straight line but it is bent and curved.</u></em>

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4 years ago

Read 2 more answers

Suppose you increase your walking speed from 4m/s to 12m/s in a period of 1 s. What is your acceleration?

den301095 [7]

We use the following formula to determine our acceleration:
$acceleration = \frac{(final velocity) - (initial velocity)}{time} = \frac{change of velocity}{time}$
We normally use letters in this formula, which gives us:
$a = \frac{v}{t}$

Filling in this formula gives us:
Δv (change of velocity) = 12 - 4 = 8 m/s
t = 1s
$a = \frac{8}{1} = 8 m/s^2$
So our answer: the acceleration is $8m/ s^{2}$

3 0

3 years ago