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VladimirAG [237]
3 years ago
5

Kate wants to know which foil paper keeps bread fresher. She wraps three identical

Physics
1 answer:
mars1129 [50]3 years ago
6 0

Answer:

hi

Explanation:

The answer is Responding Variables Hope this helps :D

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Determine the voltage of source v2 in order for a 50a current to be delivered to the 0.5 ohm load resistor.
USPshnik [31]

<u>Answer</u>

25 Volts

<u>Explanation</u>

Ohm's law states that the current flowing though a fixed resistor is directly proportional to the voltage drop across it.

V ∝ I

V = RI Where R is the resistance.

V = 0.5 × 50

  = 25 V

5 0
3 years ago
How often must you check the temperature of food that is being held with temperature control?.
loris [4]

You need to check the temperature of food being stored in a temperature-controlled environment every four hours. The process of changing a space's temperature is called temperature control.

Cooking food alone may not be enough to avoid food poisoning, though, if the bacteria in food are allowed to grow to large numbers. When the temperature is between 5°C and 63°C, bacteria can grow. The risk zone is the range between 5°C and 63°C.

Temperature control is a process where the passage of heat energy into or out of a space or substance is adjusted to achieve the desired temperature. This process involves measuring or otherwise detecting changes in the temperature of the space (and all of the objects contained therein) or of the substance.

Learn more about temperature here

brainly.com/question/11244611

#SPJ4

6 0
1 year ago
A car is travelling at a velocity of 20m/s. After 30sec it covers a distance of 1200 m. Calculate the acceleration of the car an
Umnica [9.8K]

Answer:

Acceleration: a = 1,3333 \frac{m}{s^{2} }

Final velocity: v = 60 \frac{m}{s}

Explanation:

To calculate the acceleration, you start from the formula:

s = v_i t+\frac{1}{2}at^{2}

Thus:

a = \frac{ 2(s - v_it)}{t^{2}}

Now that you have the accelration, you can use the this formula to calculate the final speed:

a = \frac{v_f - v_i}{\Delta t}

Thus:

v_f = a \Delta t + v_i

8 0
3 years ago
A car of mass 1800 kg can be just be lifted. What is the least force that the electromagnet must use to lift the car? (1 g = 10
Doss [256]

Answer:

<h2>f=a×m</h2>

m=1800kg

1800000g×10N/kg

18000000N force is required to life the car

8 0
3 years ago
Magnetic fields are caused by?
zaharov [31]
The motion of an electric<span> charge producing a magnetic field is an essential concept in understanding magnetism. The magnetic moment of an atom can be the result of the electron's spin, which is the </span>electron orbital motion<span> and a change in the </span>orbital<span>motion of the electrons caused by an </span>applied<span> magnetic field.</span>
3 0
4 years ago
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