3 years ago

What is mass?

Physics

1 answer:

omeli [17]3 years ago

5 0

Answer:

d. Mass is the amount of matter in an object.

Explanation:

This is the exact definition of the word mass. My mom is a science teacher.

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What is the only planet where a day lasts longer than a year?

Ksivusya [100]

Answer:

Venus

Explanation:

Facts about Venus:

A day on Venus lasts little longer than a year on Venus.
Venus is the second largest planet in the solar system.
It completes one rotation every 243 Earth days.
Venus is called Earth's sister planet.
It is named after the Roman goddess of love and beauty.
Venus is one of the most hottest planet in our solar system.

3 0

2 years ago

Two clouds collide and form another, more massive cloud. One cloud is stationary, while the other is traveling at 1 m/s. After t

sweet [91]

Answer: 3

Explanation:

Given

One cloud is traveling at rate of $u_2=1\ m/s$

combined velocity of the two is $v=0.25\ m/s$

Suppose the masses of the clouds be $m_1,m_2$

Conserving momentum

$\Rightarrow m_1u_1+m_2u_2=\left(m_1+m_2\right)v\\\text{Divide whole equation by }m_2\\\Rightarrow \dfrac{m_1}{m_2}u_1+u_2=\left(\dfrac{m_1}{m_2}+1\right)v\\\\\Rightarrow 0+1=0.25\dfrac{m_1}{m_2}+0.25\\\\\Rightarrow \dfrac{m_1}{m_2}=\dfrac{0.75}{0.25}\\\\\Rightarrow \dfrac{m_1}{m_2}=3$

6 0

2 years ago

How is newtons third law of motion demonstrated on a roller coaster?

butalik [34]

<span>Newton's Third Law of Action-Reaction is that for each and every action that happens, there is an equal and opposite reaction to it. In the scenario of a roller coaster, this is when you push down on the seat of the roller coaster as it flies along and the seat pushes back against you.</span>

8 0

2 years ago

Kevin draws a figure that has 4 sides all sides have the same length his figure has no right angels what figure does he draw

Svetllana [295]

Diamond/ rhombus/ parallelogram

4 0

3 years ago

A square sheet of rubber has sides that are 20 cm long. What is the area of the square of rubber in cm squared?

Alinara [238K]

Answer:

400cm^2

Explanation:

sides are 20cm long Area for a square is a squared

since all the lides are of equal length you can just choose one side.

20squared is 400

20 x 20 = 400cm squared

Hope this helps :)

6 0

3 years ago