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3 years ago

15

Plz help!! WILL MARK BRAINLIEST :)

1 answer:

Andru [333]3 years ago

3 0

Answer:

The external forces such as wind, water and the vibration of the earth when an earthquake happens create internal forces within a structure. Internal forces such as shear, tension and compression can destroy the inner framework of a building or a bridge even though it is made of super strong steel and concrete.

I Hope This Will Help You ...

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please answer 1-3 and use a separate piece of paper thank you i've been trying those problems for 3 day.... ikr Sad

11Alexandr11 [23.1K]

$\frac{total distance}{ total time}$

$\frac{72m}{36s} = 2m/s$

Same thing for the rest
2) 5km/h
3)360km/h

4 0

3 years ago

A small block has constant acceleration as it slides down a frictionless incline. The block is released from rest at the top of

ehidna [41]

Answer:

Explanation:

Given

Speed of block at bottom is $v=3.8\ m/s$

Distance traveled $s=6\ m$

initial velocity is zero

using equation of motion

$v^2-u^2=2as$

where v=final velocity

u=initial velocity

a=acceleration

s=displacement

$(3.8)^2-0=2\times a\times 6$

$a=1.203\ m/s^2$

when it is 3 m from top then

$v^2-u^2=2as$

$v^2-0=2\times 1.203\times 3$

$v=2.68\ m/s$

5 0

3 years ago

What is Br charge after it gains an electron?

sergeinik [125]

Im not 100% sure but i think its bromine.

Hope this helps ^_^

4 0

3 years ago

Write a hypothesis about the use of an object's physical

KengaRu [80]

If the mass of the object and the volume of the object is determined;

Then, the density of the object is determined by taking the ratio of the mass and volume.

<h3>What is density of an object?</h3>

The density of an object is the ratio of the mass and volume of that object.

Mathematically;

Density = mass/volume

To determine the density of an object therefore, the physical characteristics of mass and the volume of the object are measured.

The mass of the object is obtained using a scale or a balance.

The volume of the object if a solid is obtained using a displacement bottle. If it is a liquid, a measuring cylinder is used.

The density of the object is then obtained by taking the ratio of the mass and the volume of the object.

In conclusion, the density of an object is determined from the volume and mass ratio.

Learn more about density at: brainly.com/question/1354972

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2 years ago

Which of these is a benefit of replacing a coal-burning power plant with a

Scilla [17]

A. Reduced greenhouse gas emissions.

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3 years ago