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1 year ago

Can someone please answer this, ill give you brainliest and your earning 50 points.

Physics

1 answer:

Aleonysh [2.5K]1 year ago

6 0

Answer:

Good morning! It's D. all of the above

Explanation:

Social backgrounds, culture, politics, education and economic reasoning might equally contribute to uncontrolled settlements. People live in disaster-prone areas partly for economic reasons. In the case of Semarang, where tidal flooding submerges houses, people stay due to economic factors.

Plus I took the test and got it right

_AnnieTheDreamGirl, 3/10/2022

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A frog leaps up from the ground and lands on a step 0.1 m above the ground 2 s later. We want to find the

mash [69]

Answer:

$\Delta x = v_0 t + \frac{1}{2}at^2$

Explanation:

To solve this problem, we can use the following suvat equation:

$\Delta x = v_0 t + \frac{1}{2}at^2$

where

$\Delta x$ is the vertical displacement of the frog

$v_0$ is the initial vertical velocity

t is the time

a is the acceleration

We have chosen this formula because apart from $v_0$ , all the other quantities are known. In fact:

$\Delta x =0.1 m$ is the vertical displacement

t = 2 s is the total time of flight

$a=g=-9.8 m/s^2$ is the acceleration due to gravity (negative because it is downward)

Therefore, solving for $v_0$ , we find the initial velocity of the frog:

$v_0 = \frac{\Delta x-\frac{1}{2}at^2}{t}=\frac{0.1-\frac{1}{2}(-9.8)(2)^2}{2}=9.85 m/s$

4 0

3 years ago

A negatively charged particle is moving to the right, directly above a wire having a current flowing to the right, as shown belo

qwelly [4]

Answer:

Explanation:

As the current in the ire is towards right and the charge particle is above the wire, the direction of magnetic field due to the current carrying wire is perpendicularly outwards to the plane of paper. It is calculated by the Maxwell's right hand thumb rule. Now by using the Fleming's left hand rule, the direction of force is upwards.

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2 years ago

What two factors could the students change to investigate how to increase and decrease the magnetic force between the paperclip

scoundrel [369]

..............................................A

4 0

2 years ago

How do you calculate the fundamental frequency of a pipe?

ankoles [38]

This depends on whether the pipe is closed or open ended.

The fundamental frequency of a pipe is the simplest, smallest portion of a wave that can fit into a pipe. At the open end of a pipe, there is always an antinode - an area with maximum air movement.

If it is an open ended pipe, there is an antinode at each end, meaning that the length of the pipe is equal to 1/2 λ . Manipulating the formula v=fλ to solve for the fundamental frequency leaves us with f=v/2L in an open ended pipe.

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3 years ago

Which planets are the most dense?

Marizza181 [45]

Hey there!

Here is your answer:

The proper answer to this question is "Earth, and Mercury".

Reason:

Mercury has a density of 5.427 g/cm³
&
Earth has a density of 5.515 g/cm^3

Therefore the dense planet is Earth.

If you need anymore help feel free to ask me!

Hope this helps!

~Nonportrit

6 0

2 years ago