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OLga [1]
3 years ago
8

Why are the spheres representing nitrogen and oxygen different colors

Physics
1 answer:
erastovalidia [21]3 years ago
6 0
Spheres representing nitrogen and oxyfgen are different colors so you can easily tell them apart.
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If the mass of a basketball is 18 times that of a tennis mass, can they ever have the same momentum? Explain your answer
Readme [11.4K]

Answer:

Yes

Explanation:

Yes. The momentum is the same when the speed of the tennis ball is 18 times greater than the speed of the basketball and the velocities of both objects are in the same direction.

8 0
3 years ago
Which is not an example of an external force acting on an object? (1 point)
GrogVix [38]

Answer:

A. a meteor traveling unhindered through space

Explanation:

7 0
3 years ago
Which kind of pigment reflects two primary light colors and absorbs one?1) primary pigment2) secondary pigment3) complementary p
weqwewe [10]

The primary colors of light are red, blue and green.

There are the pigments like yellow, magenta and cyan that are the mixture of two primary colors.

For example, magenta is a mixture of red and blue color. Thus, it reflects the red and blue color. Also, magneta absorbs the green color.

These type of colors that reflects two primary colors and absorb one color are known as secondary pigments.

Hence, 2nd option is the correct answer.

8 0
11 months ago
Acceleration is a derived unit ​
aleksklad [387]

Acceleration is a derived unit because it is derived from two quantities : Velocity and time.

We know, acceleration = Change in velocity/Time

5 0
2 years ago
Read 2 more answers
The range of human hearing is roughly from twenty hertz to twentykilohertz. Based on these limits and a value of 305 m/s for the
AnnyKZ [126]

Answer:

1.L_s=0.0076\ m

2.L_l=7.62\ m

Explanation:

Given that

f₁= 20 Hz

f₂= 20 KHz

C= 305 m/s

For open pie organ :

L=\dfrac{C}{2f}

<u>Shortest length :</u><u> </u>

L_s=\dfrac{C}{2f_2}

L_s=\dfrac{305}{2\times 20000}

L_s=0.0076\ m

<u>Longest length : </u>

L_l=\dfrac{C}{2f_1}

L_l=\dfrac{305}{2\times 20}

L_l=7.62\ m

7 0
3 years ago
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