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EastWind [94]
3 years ago
5

If the same quantity of heat is added to both a 2-liter and a 4-liter container of water, the temperature change for water in th

e 4-liter container will be A) half that of the 2-liter container. B) more than half but less than twice. C) twice that of the 2-liter container. D) no change. Please explain.
Physics
1 answer:
VikaD [51]3 years ago
3 0

Answer:

brainly.com/question/10966794

Explanation:

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2). If you record a wave going 4m/s and the Period of the wave was<br> 60s, how long was the wave?
Taya2010 [7]

Answer:240 meters

Explanation:60×4

8 0
3 years ago
1. When playing the piano, each key has a specific number of times it vibrates. The number of string vibrations correspond to ch
kakasveta [241]

Answer:

2: 20HZ 3:audiable

Explanation:

i guessed and it told me i was right

3 0
3 years ago
Read 2 more answers
the coefficient of kinetic friction between a couch and the floor is 0.65. if the couch has a mass of 42 kg and you push it with
Anna [14]

Explanation:

The net force along the horizontal direction is

\sum{F_x} = F_{applied} - f

where f is the frictional force. We can find the frictional force by looking at the vertical forces acting on the couch:

\sum{F_y} = N - mg = 0 \Rightarrow N = mg

From the definition of frictional force,

f = \mu{N} = \mu{mg} = (0.65)(42\:\text{kg})(9.8\:\text{m/s}^2)

\:\:\:\:= 267.5\:\text{N}

Therefore, the net force on the couch is

\sum{F_x} = 600\:\text{N} - 267.5\:\text{kN} = 332.5\:\text{N}

4 0
2 years ago
A gas occupies 210 ml at -73°c. to have the same gas occupy 360 ml: should the temperature be increased or decreased? what is t
telo118 [61]
The relation between volume and temperature is direct, this is the higher the temperature the higher larger the volume.

Therefore, if you want that your gas occupies a larger volumen, you should increase the temperature, assuming other conditions (pressure and number of moles) remain unchanged.

The new temperature may be calculated using the proportion:

V1 / T1 = V2 / T2

=> T2 =  V2 * T1 / V1

T1 and T2 are in absolute degrees, so T1 = - 73 + 273.15 = 200.15 K

=> T2 = 360 ml * 200.15 K / 210 ml = 343

Answer: the temperature should be increased to 343 K
6 0
3 years ago
Amy wants to know whether or not an item will float when placed in a fluid. Which of the comparisons below, when true, will mean
o-na [289]

A. The object is made of stone or metal, which always sink.

B. The force of gravity is stronger than the buoyant force.

C. The buoyant force is stronger than the force of gravity.

D. The mass of the item is greater than its gravity

The answer is C

4 0
3 years ago
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