What is the temperature of the sun?

Answers

Answer 1
Answer: 27 million degrees Fahrenheit or 15 mil Celsius  
Answer 2
Answer: 5778 degrees Kelvin (k)


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How do u know if a wave is a mechanical wave?

Answers

Basically, "mechanical wave" means that the wave involves actual movement
the wave is created by like a boat or something like that

How can you calculate distance when given power, time, and mass?Power used to lift crate is 3490, mass of crate is 425 kg, time is 3 seconds. How far was the crate lifted?

Answers


First step:         Power = (work done) / (time to do the work).

                 3490 watts = (work done) / (3 seconds)

     3490 joules/second = (work done) / (3 seconds)

Multiply each side by 3 seconds:

     Work done = (3490 x 3) joules  =  10,470 joules 


Second step:       Weight = (mass) x (gravity)

                 Weight of the crate = (425 kg) x (9.8 m/s²)

                                              =  4165 newtons


Step 3:     Work done  =  (force) x (distance)

                                 =  (weight) x (distance lifted)

            10,470 joules  =  (4165 newtons) x (distance)

Divide each side by 4165 newtons:

       Distance = 10,470 kg-m²/sec² / 4165 kg-m/s²

                     =        2.514... meters  (rounded)

You asked:  "How can you calculate ... ?"
Notice that I did the same thing in all 3 steps ... write down the formula
for finding a quantity, then write the numbers you know into the formula
to find the quantity. 

THAT's "how", and it all boils down to knowing the formulas and picking
the right one to work with.  The right one to pick is the one that talks about
all (or most) of the quantities that you know AND the quantity that you're
trying to find. 

For example, if you need to find how long it will take your turtle to walk
across the room, then you need a formula that talks about time, speed,
and distance.  You would not get much help from the formula that talks
about the pressure and volume of a gas, or one that talks about the
frequency and wavelength of light waves, or Einstein's formula  E=mc² 
for the equivalency of mass and energy.

On earth’s surface, how much does a 100 kg mass weigh?

Answers

Weight = (mass) x (gravity)

Weight = (100kg) x (9.8 m/s^2)

Weight = 980 kg-m/s^2

Weight = 980 Newtons.

(about 220.5 pounds)

Final answer:

The weight of a 100 kg mass on Earth's surface is 980 Newtons(N). This is calculated using the formula 'w=mg', where 'w' is weight, 'm' is mass, and 'g' is the acceleration due to gravity on Earth (9.80 m/s²).

Explanation:

On earth, the weight of an object is determined by the gravitational force acting on it. This can be calculated using the formula w = mg, where 'w' is the weight of the object, 'm' is its mass, and 'g' is the acceleration due to gravity on Earth. Given that the mass 'm' is 100 kg and the acceleration due to gravity 'g' on Earth's surface is approximately 9.80 m/s², we can determine the weight of the object by substituting these values into the formula.

Applying these values into our equation, we get: w = (100 kg)(9.80 m/s²) = 980 N. Therefore, a 100 kg mass weighs 980 Newtons (N) on Earth's surface.

It is pertinent to note that an object's weight can vary based on its location as the value of 'g' changes with location. For instance, the value of 'g' on the moon is only about 1.67 m/s², which is far less compared to Earth, resulting in a lighter weight for the same mass.

Learn more about Weight on Earth here:

brainly.com/question/8900700

#SPJ3

A mass of gas under constant pressure occupies a volume of 0.5 m3 at a temperature of 20 degree Celsius. Using the formula for cubic expansion, what will be the volume at a temperature of 45 degree Celsius without a change in pressure?A) 0.5228938 m3
B) 0.0228938 m3
C) 0.5457875 m3
D) 0.0457875 m3

Answers

Answer: C) 0.5457875 m^3

Explanation: Charles' Law: This law states that volume is directly proportional to the temperature of the gas at constant pressure and number of moles.

V\propto T    (At constant pressure and number of moles)

(V_1)/(T_1)=(V_2)/(T_2)

where,

V_1 = initial volume of gas = 0.5m^3

T_1 = initial temperature of gas =20^oC=273.15+20=293.15K

V_2 = final volume of gas = 0?

T_2 = final temperature of gas = 45^oC=273.15+45=318.15K

(0.5)/(293.15)=(V_2)/(318.15)

V_2=0.5457875m^3

Thus the final volume is 0.5457875m^3

the answer is C 0.5457875

PLEASE HELP ME I WILL BE RATING BRAINLIEST VERY URGENT: Can the number of electrons passing a point in a circuit be a decimal?

Answers

Answer: No

Explanation:

Electrons have negative charge. It's charge can be decimal because it's about 1.6*10-19 But number of electrons passing through a metal cannot be a decimal number. If you use Q = ne

Q - total charge

e - Charge of an electrone

n - Number of electrons

You might get decimal value for n but it doesnt mean that it shoud have decimal value . Then you have to get nearest less digit value for answer. We cant divide electrons in to pieces

If a chemical is completely consumed in a chemical reaction, what is the substance?

Answers

Is a process in which One set of substances, called REACTANTS, is converted to a new set of substances is called PRODUCTS.

--In other words, a chemical reaction is the process by which a chemical change occurs.