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3 years ago

How many kilograms are there in a 2.00 L bottle of drinking water?

Physics

2 answers:

nasty-shy [4]3 years ago

6 0

There are 2 kilograms of water in 2 liters of water. if you convert the amount of water to kilograms it equals 2

s344n2d4d5 [400]3 years ago

3 0

You did not write your question right... wdym??

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A carbon resistor is to be used as a thermometer. On a winter day when the temperature is 4.00°C, the resistance of the carbon r

dusya [7]

Answer:

28 degree C

Explanation:

We are given that

$T_1=4.00^{\circ}$

$R_1=217.7 \Ohm$

$R_2=215.1\Ohm$

$\alpha=-5.00\times 10^{-4}C^{-1}$

We have to find the temperature on a spring day when resistance is 215.1 ohm.

We know that

$\alpha(T_2-T_1)=\frac{R_2}{R_2}-1$

Using the formula

$-5.00\times 10^{-4}(T_2-4)=\frac{215.1}{217.7}-1$

$-5\times 10^{-4}(T_2-4)=0.988-1=-0.012$

$T_2-4=\frac{0.012}{5\times 10^{-4}}=24$

$T_2=24+4=28^{\circ}C$

Hence, the temperature on a spring day 28 degree C.

7 0

3 years ago

Please help with the working of this question

Vilka [71]

Answer:

Principle of conservation of linear momentum is state as provided no external force acts on a system of colliding bodies the total linear momentum of the bodies (in a given direction) remains constant

8 0

3 years ago

Please help if you have the time

Alex777 [14]

We know, length of segment wave is half the wavelength .

Let, wavelength of wave is $\lambda$ .

So, length of segment will be $\dfrac{\lambda}{2}$ .

Now, it is given that the string vibrates in four segments.

So,

$L = 4\times \dfrac{\lambda}{2}\\\\L = 2\lambda\\\\\lambda = 1\ m$

Speed can be given by :

$speed = wavelength \times frequency\\\\speed = 1\times 120\ m/s\\\\speed = 120\ m/s$

Therefore, the wave speed in the string is 120 m/s.

6 0

3 years ago

Pls help me!!!!! Brainliest

Studentka2010 [4]

Answer:

B, C

Explanation:

7 0

3 years ago

Read 2 more answers

1200 N-m of torque is used to drive a gear (A) of diameter 25 cm, which in turn drives another gear (B) of diameter 52 cm. What

NNADVOKAT [17]

Answer:

2.5kN.m

Explanation:

Torque is directly proportional to pitch diameter

= Ta/Tb= Da/Db

=120/Tb= 0.25/0.5

Tb= 2.469kN.m approx 2.5kN.m

8 0

3 years ago

Read 2 more answers