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Aliun [14]
3 years ago
15

Current enters a circuit at a:

Physics
1 answer:
Marina CMI [18]3 years ago
8 0
It would be the negative terminal ofc
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Suppose a cylindrical habitat in space 6.80 km in diameter and 24 km long has been proposed. Such a habitat would have cities, l
max2010maxim [7]

a=v^2/r. This is the centripetal acceleration for object moving in circle. In order to imitate the earths gravitational acceleration, plug in 9.8 for a. Then plug in the radius of the cylinder and solve for v.

3 0
3 years ago
Approximately how many calories are in one gram of carbohydrates?
Rina8888 [55]

Answer:

<h2>4 calories</h2>

Explanation:

Carbohydrates are known as energy giving foods and they are contained in our diets no matter how small. Other components of foods are protein, fat and oil, vitamin, water etc. A calorie is a unit of energy. It tells us the amount of energy the weight of any food contains. Knowing the amount of calories of food we are taking in helps us to monitor our weight. Each component of food have their own calories depending on the weight of the food component.

For carbohydrate as a component of food,<em> 1gram of carbohydrates contains 4 calories</em>. With this conversion, we can therefore calculate the calories of carbohydrate we are taking in by taking the weight of the food we want to eat.

<em>Hence, approximately 4 calories are in one gram of carbohydrates</em>

6 0
4 years ago
calculate the current required to create a 0 .85-mT magnetic field at the center of a loop of wire of diameter 12 cm
crimeas [40]

Answer:

81.2 A

Explanation:

The magnetic field at the center of a current-carrying loop is given by

B=\frac{\mu_0 I}{2R}

where

\mu_0 = 4\pi \cdot 10^{-7} Tm/A is the vacuum permeability

I is the current in the loop

R is the radius of the loop

In this problem, we have:

d = 12 cm is the diameter of the loop, so its radius is

R = d/2 = 12/2 = 6 cm = 0.06 m

B=0.85 mT=0.85\cdot 10^{-3}T is the magnetic field at the center

Therefore, the current in the loop must be:

I=\frac{2RB}{\mu_0}=\frac{2(0.06)(0.85\cdot 10^{-3}}{4\pi \cdot 10^{-7}}=81.2 A

5 0
4 years ago
A closed box with square base is to be built to house an ant colony. the bottom of the box and all four sides are to be made of
LUCKY_DIMON [66]
Box has all sides same leinght(a). Area of that box is 6*a^2.
Cost of material for bottom and 4 sides is 2$/ft^2. Area of bottom and sides is A=5*a^2
Cost of material for top is 4$/ft^2. Area of top of the box is T=a^2

A*2+T*4=72
5*a^2*2+a^2*4=72
a^2*(10+4)=72
a^2*14=72, a^2=72/14, a=root(72/14), a=2.267ft
Dimensions of the box: leinght of sides 2.2ft. Area of hole box 30.835ft^2
Area of the bottom and sides: A=5*a^2=25.696ft^2
Area of the top : T=a^2=5.139ft^2
Check: A*2$+T*4$=71.95$
5 0
3 years ago
The melting point of pure water is _____.<br><br> 32°C<br><br> 100°C<br><br> 0°C<br><br> 212°C
BabaBlast [244]

Answer:

0°C and 32°F

Explanation:

ihavetotypemoresouhyeahig

3 0
3 years ago
Read 2 more answers
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