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RideAnS [48]
3 years ago
13

What is the difference between mass and weight in Physical Science?

Physics
2 answers:
Maru [420]3 years ago
7 0
Mass is how much matter is in an object
wieght is <span> a body's relative mass or the quantity of matter contained by it, giving rise to a downward force; the heaviness of a person or thing.

</span>
Sophie [7]3 years ago
5 0

Mass is a property of a lump of matter.  It goes wherever the lump goes,
and it doesn't depend on what else may be nearby.

Weight is the force of gravity between a lump of matter and some other
mass.  Since it depends on what else may be nearby, it can be different in
different places.

This is the correct answer in Physical Science.  It's also the correct answer
in Biology, Math, Political Science, and Comparative Middle Eastern Religions.

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An electromagnetic wave has a wavelength of 1.3m what is the frequency of wave
larisa86 [58]
V = f * wavelength
as we know electromagnetic wave has speed equal to light, so

3 * 10^8 = f * 1.3
f = 2.3 * 10^8 hertz
f = 230 mega hertz
6 0
3 years ago
A 77.0 kg ice hockey goalie, originally at rest, catches a 0.150 kg hockey puck slapped at him at a velocity of 22.0 m/s. Suppos
Andrej [43]

Answer:

Explanation:

For elestic collision

v₁ = \frac{(m_1-m_2)u_1}{m_1+m_2} +\frac{2m_2u_2}{m_1+m_2}

v_2 = [tex]\frac{(m_2-m_1)u_2}{m_1+m_2} +\frac{2m_1u_1}{m_1+m_2}[/tex]

Here u₁ = 0 , u₂ = 22 m/s , m₁ = 77 kg , m₂ = .15 kg ,  v₁ and v₂ are velocity of goalie and puck after the collision.

v₁ = 0 + ( 2 x .15 x22 )/ 77.15  

= .085 m / s

Velocity of goalie will be .085 m/s in the direction of original velocity of ball before collision.

v₂ = (.15 - 77)x 22 / 77.15 +0

= - 21.91 m /s

=Velocity of puck will be - 21.91 m /s  in the direction opposite  to original velocity of ball before collision.

5 0
3 years ago
I don't understand how to do this?
nirvana33 [79]
No I’m French sorryyyyyyy
3 0
3 years ago
Read 2 more answers
Why does bounce height increase when drop height is increased?
Anestetic [448]
If drop height increases the bounce height will increase. As the drop height increases so does the gravitational potential energy. (Which can be converted back into kinetic energy) energy lost in air resistance will cause the ball to not bounce very high.
6 0
3 years ago
What is TRUE about the use of drawings at a crime scene?
labwork [276]

Answer:

The answer would be C

Explanation:

Hope this helps:)....if not then sorry for wasting your time and may God bless you:)

7 0
3 years ago
Read 2 more answers
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