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WARRIOR [948]
3 years ago
8

Suppose you apply a flame to heat 1 liter of water and its temperature rises by 3 C. If you apply the same flame for the same le

ngth of time to 3 liter of water, by now how much does its temperature rise
Physics
1 answer:
kykrilka [37]3 years ago
4 0

Answer:1^{0}C

Explanation:

Let the heat given by flame be h.

Let m_{1} be the mass of water in case 1.

Let m_{2} be the mass of water in case 2.

Let ΔT_{1} be the temperature difference in case 1.

Let ΔT_{2} be the temperature difference in case 2.

Let V_{1} be the volume of water in case 1.

Let V_{2} be the volume of water in case 2.

Let d be the density of water.

Let s be the specific heat of water.

Given,

V_{1}=1L\\V_{2}=3L\\

ΔT_{1}=3^{0}C

Since the same heat is given to water in both the cases,

h=m_{1}sΔT_{1}

h=m_{2}sΔT_{2}

So,m_{1}sΔT_{1}=m_{2}sΔT_{2}

Since mass is product of volume an density,

V_{1}dsΔT_{1}=V_{2}dsΔT_{2}

1\times d\times s\times 3=3\times d\times s\timesΔT_{2}

So,ΔT_{2}=1^{0}C

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Based on Schaffer's arguments in "The Value of a Sherpa Life," choose the statement
Tju [1.3M]

Answer:

Sherpas do work that is much more meaningful than the work other climbers do.

Explanation:

3 0
3 years ago
A gun fires a bullet vertically into a 1.40-kg block of wood at rest on a thin horizontal sheet. If the bullet has a mass of 22.
Bogdan [553]

Answer:

A. 1.172 metres

B. 6.82 Ns

C. 4.796 m/s

Explanation:

The total initial momentum is gotten by multiplying the mass and initial velocity of the both bodies.

The 1.40 kg block is at rest so velocity is zero and has no momentum.

The bullet of mass 22 g = 0.022 kg with velocity of 310 m/s

Momentum = 310*0.022

Momentum = 6.82 Ns.

If the bullet gets embedded they will both have common velocity v

6.82 = (0.022+1.40)v

6.82 = 1.422v

V = 6.82/1.422

V = 4.796 m/s

How high the block will rise after the bullet is embedded is given by

H = (U²Sin²tita)/2g

Where tita is 90°

H = (4.796² * sin²(90))/(2*9.81)

H =( 23.001616*1)/19.62

H = 1.172 metres

6 0
3 years ago
Under which circumstances would protesters’ right to assembly most likely be protected?
ICE Princess25 [194]

Answer:

Explanation:

Mob violence is never protected. Organizers are always careful about not letting things get out of hand. Not D

That remark sort of applies to C as well. Property destruction is never protected.

B is something assemblies are allowed to do. So B.

A falls into the same category as C and D. You may not like the fact that he/she is doing something illegal, but you can't take away their privacy.

7 0
2 years ago
Which of these is NOT an effect of humor?
IgorLugansk [536]
Feelings of jealousy and envy
7 0
3 years ago
Sb +<br> Cl2 →<br> SbCl3<br> Balance chemical equation
melamori03 [73]

Answer:

Cl2 + Sb → SbCl3

Cl2 + Sb → SbCl5

Cl2 + Sb → SbCl

Cl2 + Sb → SbCl2

Cl2 + Sb → SbCl3 + SbCl5

Explanation: Hope it will help

7 0
3 years ago
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