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slamgirl [31]
3 years ago
15

I need the answer for density

Physics
2 answers:
Thepotemich [5.8K]3 years ago
8 0

Answer:

D=M÷V .. M=D×V .. V=D÷M

Explanation:

D is Density, M is Mass & V is Volume. There's a triangle for this on Google too.

Anon25 [30]3 years ago
5 0

"Density" isn't a question.

What's really your question ?

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A block of mass m slides on a horizontal frictionless surface. The block is attached to a spring with a spring constant K. At th
Fittoniya [83]

Answer:

b) a = -k / m x , c) d²x / dt² = - A w² cos (wt+Ф) , d) and e)  T = 2π √m / k

h)   a = - A w² cos (wt+Ф)

Explanation:

a) see free body diagram in the attachment

b) We write Newton's second law

          Fe = m a

          -k x = ma

           a = -k / m x

c) the acceleration is

         a = d²x / dt²

     

      If x = A cos wt

        v = dx / dt = -A w sin (wt +Ф)

        a = d²x / dt² = - A w² cos (wt+Ф)

d) we substitute in Newton's second law

        d²x / dt² = -k / m x

   

We call

       w² = k / m

e) substitute to find w

     -A w² cos (wt+Ф) = -k / m A cos (wt+Ф)

      w² = k / m

Angular velocity and frequency are related

       w = 2π f

       f = 1 / T

       

 We substitute

      T = 2π / w

      T = 2π √m / k

g)    v= - A w sin (wt+Ф)

h) acceleration is

       a = - A w² cos (wt+Ф)

8 0
3 years ago
Someone help me with this ASAP!!!!
laila [671]
I’m thinking the Last one tbh
5 0
3 years ago
Read 2 more answers
A blue line with 5 orange tick marks then one red tick mark then 4 orange tick marks. The number zero is above the red tick mark
Digiron [165]

Answer:

16 cm

Explanation:

Given that,

The object begins from 0 and moves 3cm towards left side followed by 7 cm towards the right and then, 6 cm towards the left side.

Let the x-axis to be the +ve and on the right side and -ve on the left

Thus, displacement would be:

= 0 -3 + 7 -6

= -2 cm

This implies that the object displaces 2cm towards the left.

While the total distance covered by the object equal to,

= 0cm + 3cm + 7cm + 6cm

= 16 cm

Thus, <u>16 cm</u> is the total distance.

3 0
3 years ago
According to structural functionalists, what is government like in a mass society?
kvv77 [185]
The answer here is <span>The government is expansive</span>
8 0
3 years ago
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1. What is Newton's first law of motion<br> and when does it occur during this experiment?
Yanka [14]
Newton’s first law of motion, or inertia is an object at rest stays at rest. I may not be able to answer the second question, I do not know what the experiment is or what it is about.
5 0
3 years ago
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