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svp [43]
4 years ago
8

What does the law of conservation of mass state?

Physics
2 answers:
jek_recluse [69]4 years ago
7 0

Hello There!

The law of conservation of mass states that "Matter/substances/energy cannot be created or destroyed, it can only be transferred from one state to state.

Ad libitum [116K]4 years ago
5 0
The law of conservation of energy states that the total amount of energy remains constant in an isolated system. (Energy can neither be created or destroyed, but can be changed from one form to another.)
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PLEASE HELP MEEE!!!
IRINA_888 [86]

Answer:

Option C

Explanation:

Answer C is the correct option. water can be written as H₂O, which means that there are 2 Hydrogen atoms for every oxygen atom,  therefore it will occupy more space than oxygen and push more. there is also one more possibility, if the splitting takes place in Hoffman's Voltameter then the Hydrogen will be close to the cathode as hydrogen is positive. Otherwise, option C is correct answer. Hope this Helps you!

4 0
3 years ago
An ocean wave traveling in one direction has a wavelength of 1.0 m and a frequency of 1.25 Hz. Take the direction of wave propag
aliina [53]

Answer:

a) v=1*1.25=1.25\: m/s

b) y(x,t)=2sin(2\pi( x-1.25 t)  

c) y(3,10)=1.73 m    

Explanation:

a) The speed of a wave is given by the following equation:

v=\lambda f

Where:

λ is the wavelength

f is the frequency

v=1*1.25=1.25\: m/s

b) The harmonic wave has the following equation:

y=Asin(kx-\omega t)

A is the amplitude (2 m)

k is the wavenumber (2π/λ)  

ω is the angular frequency (2πf)

y(x,t)=2sin(2\pi x-2\pi*1.25 t)  

y(x,t)=2sin(2\pi( x-1.25 t)  

c) Here we need to find the heigth at x=3 m and t =10 s, so we need to find y(3,10).

y(3,10)=2sin(2\pi(3-1.25*10)

y(3,10)=2sin(2\pi(3-1.25*10)              

y(3,10)=1.73 m              

I hope it helps you!

 

6 0
3 years ago
What kind of thermal energy that flows between objects due to a difference in temperature?
TiliK225 [7]
Thermal energy that flows between objects due to a difference in temperature is heat. 

6 0
3 years ago
A car travels from rest to 55 m/s in 10 seconds. What is its acceleration?
maria [59]

Answer:

(55-0)/10 --> 55 m/s / 10 s --> 5.5 m/s^2

Explanation:

I WANT U TO PARK THAT BIG MACK TRUCK, RIGHT IN THIS LITTLE GRAGE

5 0
3 years ago
The average NASCAR race car weighs 3400 lb. At a recent Nascar race the cars went flying around the banked curves at a raceway.
Gala2k [10]
Idk to be honest you would have to mutiply
4 0
3 years ago
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