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3 years ago

Which is true of the particles in a solid?

Physics

2 answers:

babymother [125]3 years ago

6 0

Answer:

They are packed together in fixed positions

Explanation:

makkiz [27]3 years ago

3 0

Answer:

The first statement is true about solids.

They are packed together in fixed positions.

As the molecules are closely packed to each other.

hope it helps!

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What is the best approximate value for the elastic potential energy (EPE) of the spring elongated by 3.0 meters?

klasskru [66]

P.E=0.0675 J

Explanation:

Elastic potential Energy=Force × distance of displacement

The formula to apply is;

P.E=1/2 ks²

where k is the spring constant given as; 1.5 *10^-2 N/m and s is the displacement

In this case,

s=3

P.E= 1/2 * 1.5 × 10^-2 ×3²

P.E=1.5×10^-2*4.5

P.E=0.0675 J

Learn More

Elastic potential energy:brainly.com/question/1352053

Keywords: approximate,value,elastic potential energy,spring, elongated

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7 0

3 years ago

One can estimate the oil reservoir pressure underground from the height the oil rises. Of the gusher rises to 200 ft above groun

aniked [119]

Answer:

12,608 kPa

Explanation:

First we need to convert the density to standard units, that is kg/m^3

0.85 g/cm^3 = 0.85 × $\frac{100^{3} }{1000}$ = 0.85 × 1000 = 850 kg/m^3

Pressure of oil = pressure at surface + rho × g × h

= 101,000 + (850×9.81×1500)

= 12,608 kPa

The units in the part 'rho.g.h' will cancel out against each other and you will be left with the unit Pascals - which is the unit for pressure.

Hope that answers the question, have a great day!

4 0

3 years ago

Help me answer these plz it's physics energy transfer

raketka [301]

Cold air cannot escape a freezer due to there being no conductors for it to transfer heat with in other words no other energy to transfer with

4 0

3 years ago

Read 2 more answers

Find the location of the object at times 0,1,2,. 1,000. Save the x-coordinates of the object at each time in a 1 ×1001 row vecto

xeze [42]

The x-coordinates of the object at each time in a 1 ×1001 row vector named a11 using coordinate.

Coordinates are distances or angles, represented by numbers, that uniquely perceive factors on surfaces of dimensions (second) or in space of 3 dimensions.

Coordinates are hard and fast values that help to expose the exact position of a factor within the coordinated aircraft. A coordinate aircraft is a 2nd plane that's shaped by the intersection of perpendicular traces known as the x-axis and y-axis.

clear all

close all

alpha=-0.003;

w=0.05;

A=[1-alpha,-w;w,1-alpha];

A_inv=inv(A);

x0=[1;-1];

ans1=[1];

ans2=[-1];

for i=1:1000

x0=A_inv*x0;

ans1(i+1)=x0(1);

ans2(i+1)=x0(2);

end

ans1

Learn more about coordinate here:-brainly.com/question/17206319

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2 years ago

Suppose a 65.5 kg gymnast climbs a rope. What is the tension in the rope if she climbs at a constant speed

natali 33 [55]

The tension in the rope when the gymnast climbs it at constant speed is 641.9 N.

Given:

Mass of gymnast, m = 65.5 kg

The speed 'v' of gymnast is constant

Solution:

Consider the free-body diagram of the system as shown below.

Balancing forces along the vertical axis we get:

ΣFy = 0

Thus, we get:

F = ma - (1)

where, m is mass of gymnast

a is acceleration of gymnast (a = 0m/s², as the speed is constant)

Also,

F = T - mg -(2)

where, T is tension in the rope

g is acceleration due to gravity

Equating (1) & (2), we get:

ma = T - mg

Re-arranging the equation, we get:

T = m(a+g)

Applying values in above equation we get:

T = (65.5 kg)(0 m/s²+9.8 m/s²)

T = 641.9 N

Therefore, the tension in the rope when the gymnast climbs it at constant speed is 641.9 N.

Learn more about tension here:

<u>brainly.com/question/14294135</u>

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7 0

2 years ago