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3 years ago

Which one of the following is not an organic compound? Why?CH4C2H6OCa0

Physics

2 answers:

Leto [7]3 years ago

7 0

Answer:

CaO

Explanation:

This isnt an organic compound because its not made with carbon. Notice how the other options have carbon except for CaO.

Alexus [3.1K]3 years ago

6 0

Answer:

CaO

Explanation:

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Explain the Law of Reflection

DanielleElmas [232]

Answer:

The angle of incidence is equal to the angle of reflection.

Explanation:

angle of incidence (i) = angle of reflection (r)

So if the angle of incidence was 45°, the angle of reflection would also be 45°.

8 0

3 years ago

How much force would a 55kg person experience on a roller coaster if they travel through a loop with a radius of 55kg at a speed

Inessa [10]

Answer:

200 N

Explanation:

For a body moving in uniform circular motion, the force acting on it will be centripetal force and its direction is radially inward , pointing to the center.

The radially inward acceleration, or the centripetal acceleration is given by :

a = v² / r

where v is the speed at which the body is moving and r is the radius of the circle

Given-

m = 55kg

v = 14.1 m/s

r= 55m

We know that F = ma

⇒ F = m ( v²/ r )

⇒ F = 55 x 14.1 x 14.1 / 55

⇒ F =14.1 x 14.1 = 200 N

∴ The force acting is 200 N.

5 0

3 years ago

A 3.30 x 10-2-kg block is resting on a horizontal frictionless surface and is attached to a horizontal spring whose spring const

avanturin [10]

Answer:

0.17547 m

Explanation:

m = Mass of block = $3.3\times 10^{-2}\ kg$

v = Velocity of block = 10.8 m/s

k = Spring constant = 125 N/m

A = Amplitude

The kinetic energy of the system is conserved

$\dfrac{1}{2}mv^2=\dfrac{1}{2}kA^2\\\Rightarrow \\\Rightarrow A=\sqrt{\dfrac{mv^2}{k}}\\\Rightarrow A=\sqrt{\dfrac{3.3\times 10^{-2}\times 10.8^2}{125}}\\\Rightarrow A=0.17547\ m$

The amplitude of the resulting simple harmonic motion is 0.17547 m

6 0

3 years ago

Which of the following has potential but not kinetic energy?

gavmur [86]

The answer would be option D "a ball sitting on a shelf." Potential energy is the amount of energy a object has while it's at rest.. (or not moving) Kinetic energy is how much energy a object is while it's moving. So in this case it's option D because a ball sitting on a shelf isn't moving therefore it has potential energy. It's not option A because thats a example of kinetic energy since how the roller coaster is moving. It's not option B because it's kinetic energy because the bike is moving. It's also not option C because it's kinetic energy because the bird is moving.

Hope this helps!

7 0

3 years ago

If you put a drop of food coloring in water and watch the drop disperse, is entropy increasing or decreasing.

den301095 [7]

Answer:

Entropy is increasing. Entropy is decreasing.

Explanation:

The Entropy doesn't change.

4 0

3 years ago

Which one of the following is not an organic compound? Why?CH4C2H6OCa0​

Which one of the following is not an organic compound? Why?CH4C2H6OCa0