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NikAS [45]
3 years ago
13

Water is most dense at 4 degrees Celsius. Since at this temperature 1 ml of water has a mass of 1 g. What is its density?

Physics
2 answers:
sveticcg [70]3 years ago
7 0
The density is 1. 1/1=1
jolli1 [7]3 years ago
7 0

Answer: 1 g/cm³

Explanation:

The density of a substance is defined as the ratio of its mass to its volume.

At 4 °C, 1 mL water has 1 g mass.

1 mL = 1 cm³

Thus, ρ = m/V

m = 1 g

V = 1 cm³

⇒ ρ = m/V = 1 g/ 1 cm³

So, the density of water at 4° C is 1 g/cm³

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Estimate and determine the order of magnitude of the circumference of the Earth in miles and the speed of a sailboat in miles pe
solmaris [256]

Answer:

= 1000 hours

Explanation:

Earth's circumference is 10⁴ mile

speed of a sailboat is 10¹ mile/hour

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t = 10⁴ / 10¹

t = 10³

= 1000 hours

4 0
2 years ago
A solenoid of length 5.0 cm has a cross sectional area of 1.0 cm2 and has 300 uniformly spaced turns. The solenoid is wrapped in
OleMash [197]

The calculated mutual inductance is 8.544 x 10⁻⁵ H.

Two coils have a mutual inductance of 1 henry when emf of 1 volt is induced in coil 1 and when the current flowing through coil 2 is changing at the rate of one ampere per second.

Length of the solenoid= 5.0 cm

Area of cross-section=1.0 cm²

no of spaced turns=300 turns

turns of insulated wire=180 turns

Mutual inductance (M) = μ₀μr N1N2 A/ L

                                     =(4xπx 10⁻⁷) x (6.3 x 10⁻³) x 300 x 180 x 1/ 5

                                     =79.12 x 10⁻¹⁰ x 54000 / 5

                                     =8.544 x 10⁻⁵  H

hence, the mutual inductance is 8.544 x 10⁻⁵ H.

Learn more about Mutual inductance here-

brainly.com/question/14014588

#SPJ4

                                   

4 0
1 year ago
Your friend just challenged you to a race through an obstacle course. You know in order to beat him, you must run 30 meters with
seropon [69]

Answer:

Velocity = 0.5 m/s South (A)

Explanation:

You need to determine the average rate of velocity.  

The equation you will use is velocity = displacement/time

The displacement is 30m South.

The time is 60 seconds.

Plug into the equation  Velocity = 30m South/60 s

Velocity = 0.5 m/s South

3 0
3 years ago
Classify pH values of 9.1, 1.2, and 5.7 as basic, acidic, or very acidic.
kramer
9.1 basic since > 7
1.2 VERY acidic << 7
<span>5.7 acidic < 7 </span>
4 0
3 years ago
Which is a warm countercurrent that periodically flows southward along the coasts of Ecuador and Peru
Maksim231197 [3]
The  "El-nino  current  is  awarm  current  that  periodically  flows  southward  along  the  coast  of Ecuador  and  Peru.  El-nino  start out  from  the  central  and  east  central of  the   pacific,   which  include  pacific  coast  of  this south  America.  this ocean    event  is  associated with  fluctuation of inter  tropical  surface  pressure  pattern and  circulation  in  the  ocean.
8 0
3 years ago
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