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natita [175]
3 years ago
10

What is the equivalet tempreture of 0 kelvin in celcius scale HELP NEED IT IN 5 MIN

Physics
1 answer:
Alona [7]3 years ago
7 0

Answer:

-273.15 degree celcius

Explanation:

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Zero maximum force (N) or field strength (N/C). ... minimum /maximum field strength.
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The roller coaster car has a mass of 700 kg, including its passenger. If it is released from rest at the top of the hill A, dete
sweet [91]

Answer:

h = 18.75 m

Now when it will reach at point B then its normal force is just equal to ZERO

N_B = 0

F_n = 1.72 \times 10^4

Explanation:

Since we need to cross both the loops so least speed at the bottom must be

v = \sqrt{5 R g}

also by energy conservation this is gained by initial potential energy

mgh = \frac{1}{2}mv^2

v = \sqrt{2gh}

so we will have

\sqrt{2gh} = \sqrt{5Rg}

now we have

h = \frac{5R}{2}

here we have

R = 7.5 m

so we have

h = \frac{5(7.5)}{2}

h = 18.75 m

Now when it will reach at point B then its normal force is just equal to ZERO

N_B = 0

now when it reach point C then the speed will be

mgh - mg(2R_c) = \frac{1}{2]mv_c^2

v_c^2 = 2g(h - 2R_c)

v_c = 13.1 m/s

now normal force at point C is given as

F_n = \frac{mv_c^2}{R_c} - mg

F_n = \frac{700\times 13.1^2}{5} - (700 \times 9.8)

F_n = 1.72 \times 10^4

7 0
3 years ago
Which of the following statements are true? The internal resistance of a battery decreases with decreasing temperature. A batter
Eddi Din [679]

Answer:

Option B

Explanation:

  • The obstruction offered by the battery is known as its internal resistance. Electricity is produced by the chemical reactions inside the battery. The pace of the responses is straightforwardly relative to the temperature and the power delivered by the battery increments. In this way, the inward opposition of the battery increments as diminishing the temperature.  
  • The battery is a gadget which generates electrical energy by the chemical reactions that takes place inside it.  
  • In this way, the announcement a battery is a gadget that produces electricity by the transformation of chemical energy into electrical energy is valid.  
  • The potential difference between the terminals of a battery, when no current is streaming into an outer circuit is called emf of the battery and if the potential distinction is measure when the current is streaming into the outside circuit is called terminal voltage .
  • The battery attempts to move the negative charge from the low potential terminal to the high potential terminal of the battery. The potential vitality of the negative charges is high at the lower potential terminal and the potential vitality of the negative charge is low at the high potential terminal. Along these lines, the battery attempts to move the charges from high potential terminal to low potential terminal.
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3 years ago
What is one measurement needed to calculate the speed of an object? Direction Mass Time Velocity
Vlad [161]

The answer is Time.

Formula: Distance/Time

3 0
3 years ago
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Multiple point perspective is a system of perspective in which __________________ a. there are a number of vanishing points, usu
satela [25.4K]

Multiple point perspective is a system of perspective in which: A. there are a number of vanishing points, usually created by multiple objects.

<h3>What is multiple point perspective?</h3>

Multiple point perspective can be defined as a system of perspective in which each items (objects) has a number of interacting lines with different vanishing points.

This ultimately implies that, a multiple point perspective is a system of perspective which is created with a number of vanishing points, that are usually created by multiple objects.

Read more on multiple point perspective here: brainly.com/question/5398474

#SPJ4

5 0
2 years ago
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