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ehidna [41]
3 years ago
14

Pots A and B both have plain soil, bean seeds, and the same amount of light. Pot B receives more water (see table). After 50 day

s the plants are measured. Based on the data, what is the correct conclusion?
Physics
1 answer:
erastovalidia [21]3 years ago
4 0

Answer: all three pots should have the same kind of seed, the same amount of light, and the same amount of water.

Explanation:

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A scooter has a mass of 250 kg. A constant force is exerted on it for 60.0 s. During the time the force is exerted, the scooter
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Answer:

5500

Explanation:

I cant explain it but when i asked my teacher thats what he told me

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3 years ago
During most of its lifetime, s star maintains an equilibrium size in which the inward force of gravity on each atom is balanced
frez [133]

Answer:

r_f=137493m

v=8638940m/s

Explanation:

During this process the mass M=2\times10^{30}Kg will be considered constant. We start from a radius r_i=7\times10^8m and a period T_i=30\ days=(30)(24)(60)(60)s=2592000s. The final period is T_f=0.1s.

Angular momentum <em>L</em> is conserved in this process. We can use the formula L=I\omega, where I is the momentum of inertia (which for a solid sphere is I=\frac{2mr^2}{5}) and \omega=\frac{2\pi }{T} is the angular velocity, so we can write the star's angular momentum as:

L=I\omega=\frac{2mr^2}{5}\frac{2\pi }{T}=\frac{4\pi mr^2 }{5T}

Since L_f=L_i we have:

\frac{4\pi mr_f^2 }{5T_f}=\frac{4\pi mr_i^2 }{5T_i}

Which can be simplified as:

\frac{r_f^2 }{T_f}=\frac{r_i^2 }{T_i}

Which means:

r_f=\sqrt{\frac{r_i^2 T_f}{T_i}}=r_i \sqrt{\frac{T_f}{T_i}}

Which for our values is:

r_f=r_i \sqrt{\frac{T_f}{T_i}}=(7\times10^8m) \sqrt{\frac{0.1s}{2592000s}}=137493m

And we calculate the speed of a point on the equator by dividing the final circumference over the final period:

v=\frac{C_f}{T_f}=\frac{2\pi r_f}{T_f}=\frac{2\pi (137493m)}{(0.1s)}=8638940m/s

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4 years ago
A scientist is studying a shock wave from an earthquake. What kind of wave is being studied? an electromagnetic wave a gamma ray
Anettt [7]
<span>So we want to know what kind of wave is the scientist is studying while studying earthquakes. Waves that produce earthquakes are mechanical waves. Gamma rays and radiowaves are both electromagnetic waves and don't require a medium but mechanical do. So the correct answer is mechanical waves.</span>
6 0
4 years ago
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Why is my autistic sister closer.to a friend of ours than she is me??
aniked [119]
She must find her more like herself than you i guess.
4 0
3 years ago
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Which of the above beak depth vs time graphs represent the change in finch beak depth that would occur due to successive years o
Alina [70]

Answer:

A

Explanation:

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