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Mandarinka [93]
3 years ago
13

BRAINLIEST! BRAINLIEST! BRAINLIEST! BRAINLIEST!

Physics
2 answers:
AURORKA [14]3 years ago
6 0

Answer:

the car you are in the cars have the same time frame and one covers more ground so on a possition time graph the slope will be greater

padilas [110]3 years ago
5 0

Answer:

you

Explanation:

if they both have the same amount of time (2.5 hr) and are on the same terrain than you are going 100 mph and your friend is going 80 mph

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How much energy is required to change a 44 g
zlopas [31]

Answer:

Ang answer units of J heat of fusion is 3.33 x 105

4 0
3 years ago
A glass tube 1 mm in diameter is dipped into glycerin. The density of the glycerin is 1260 kg/m3, surface tension is 6.3x10-2 N/
Sunny_sXe [5.5K]

Answer:

The capillary rise of the glycerin is most nearly  y  =  0.0204 \ m

Explanation:

From the question we are told that

  The diameter of the glass tube is  d =  1 \ mm =  0.001 \ m

   The density of glycerin is  \rho =  1260 \ kg /m^3

   The surface tension of the glycerin is \sigma   =  6.3 *10^{-2} \ N /m

The capillary rise of the glycerin is mathematically represented as

       y  =  \frac{4 * \sigma  *  cos (\theta )}{ \rho * g *  d}

substituting value  

       y  =  \frac{4 * 6.3 *10^{-2}  *  cos (0 )}{ 1260 * 9.8 *  0.001}

      y  =  0.0204 \ m

Therefore the height  of the glass tube  the glycerin was able to cover is

y  =  0.0204 \ m  

4 0
3 years ago
What is another name for the introitus? psych 230?
Vera_Pavlovna [14]
Vaginal opening. areola is the part of the breast.
7 0
2 years ago
When work is done on a spring to stretch it, elastic potential energy is stored in the spring.
aniked [119]

Explanation:

I think its true

hope it helps

6 0
2 years ago
Which of the following has the lowest U value?
jarptica [38.1K]

Answer:

c. expanded polyurethane

Explanation:

Thermal performance of a building fabric is measured in terms of heat loss and is expressed as U-value or R-value. U-value is the rate of heat transferred through a structure divided by the difference in temperature across the structure with a unit of measurement of W/m²K.You can calculate the U-value of a by getting the reciprocal of the sum of thermal resistances , R, making the building material.

If you have the value of R, then U=1/R

Material                         size            R                      U

plywood                          1"              1.25                0.8

Poured concrete            2"              0.99               1.010

Expanded polyurethane  1"            6.5                   0.1538

Asbestos shingles            1"             0.03                33.33

The material with lowest U-value is expanded polyurethane

4 0
3 years ago
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