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AnnZ [28]
2 years ago
5

I have another one of these similar to it, if you need another 20 points then look in my profile.

Physics
2 answers:
zimovet [89]2 years ago
8 0

Answer:

NEW

Explanation:

As the moon moves to position Z it becomes a New moon due to the light of the sun shining on it

mina [271]2 years ago
3 0

Answer:

waxing

Explanation:

waxing is when a 1st quarter moon is transitioning to a full moon

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C

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they both have to be the same for both to not move

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Which of the following describes an element?
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A substance made of two or more types of atoms

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Please someone help me.
katovenus [111]

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acceleration of the car is 3 m\s^2

Explanation:

from rest means the initial velocity (vi) is zero

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final velocity (vf) = 15m\s

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3 years ago
A mass of 13kg stretches a spring 14cm. The mass is acted on by an external force of 6sin(t/2)N and moves in a medium that impar
m_a_m_a [10]

Answer:

13u\prime\prime+33.33u\prime+910u=6sin\frac{t}{2}, \ u(0)=0,u\prime(0)=0.04\\

#Where u is in meters and t in seconds.

Explanation:

Given that :m=13.0kg, \ L=0.14m, \ F(t)=6sin\frac{t}{2}N, F_d(t*)=-4N^{-1}, u\prime(t*)=0.12m/s\\u(0)=0,u\prime(0)=0.04m/s

From \omega=kL we have:

k=\frac{\omega}{L}=\frac{mg}{0.14m}=\frac{13.0\times 9.8m/s}{0.14m}\\\\k=910kg/s^2

From F_d(t)=-\gamma u\prime(t) we have that:

\gamma=-\frac{F_d(t*)}{u\prime(t*)}=\frac{4N}{0.12m/s}\\=33.33Ns/m

Now,given that the initial value problem is given by:

13u\prime\prime+33.33u\prime+910u=6sin\frac{t}{2}, \ u(0)=0,u\prime(0)=0.04\\

Hence,the position of u at time t is given by

13u\prime\prime+33.33u\prime+910u=6sin\frac{t}{2}, \ u(0)=0,u\prime(0)=0.04\\, u in meters,t in seconds.

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Which simple machine belongs to the inclined plane family
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