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r-ruslan [8.4K]

3 years ago

13

In this dark-colored forest, you started with 50% light moths and 50% dark moths. At the end of your simulation, was there a hig

her percentage of light or dark moths?

1 answer:

krek1111 [17]3 years ago

5 0

Dark moths because they use their color to blend in with the trees to hide from birds

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An object accelerates from 20 m/s down to 10 m/s in 5 seconds.

DedPeter [7]

Answer:

The acceleration of the object is $-2\ \frac{m}{sec^2}$

Explanation:

we know that

The acceleration is the change in the velocity, divided by the time

Let

v -----> the change in the velocity in m/sec

t ----> the time in sec

$a=\frac{V}{t}$

we have that

$V_2=10\ m/sec\\V_1=20\ m/sec$

$V=V_2-V_1$

substitute

$V=10-20=-10\ m/sec$

$t=5\ sec$

substitute in the formula

$a=\frac{-10}{5}=-2\ \frac{m}{sec^2}$

therefore

The acceleration of the object is $-2\ \frac{m}{sec^2}$

Is negative because is a deceleration

5 0

3 years ago

H20 (water) is an example of a __, as it is made up of two elements.

vova2212 [387]

Answer:

Compound.

Explanation:

A compound is a substance formed when two or more elements are chemically joined. Water, salt, and sugar are examples of compounds. When the elements are joined, the atoms lose their individual properties and have different properties from the elements they are composed of.

8 0

4 years ago

Which of the the following distance vs time graphs represents an object the is moving at constant non zero velocity

mario62 [17]

A graph with a horizontal line

8 0

4 years ago

The momentum of an object depends on what two forces

mr_godi [17]

The Linear momentum depends on

1) Mass

2) Linear Velocity

The angular momentum depends on

1) Inertia

2) Rotational velocity

7 0

3 years ago

Is there a unit of measure called potential

Umnica [9.8K]

No. Potentional (other wordy here) are a few of though.

4 0

3 years ago