How does convection play a role in tornadoes?

Answers

Answer 1

Answer: The mesocyclone

Explanation: The unsaturated air, if moved upward, will be cooler than the surrounding air and it will sink. ... This convective action (that is, the circulation of air as a result of heat transfer) produces the huge clouds commonly associated with thunderstorms and tornadoes.

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Related Questions

A car of mass 800 kg goes round a corner of radius 65 m at a
speed of 10 m/s.
a) What size force is needed to achieve this?
b) Suggest how this force is likely to be obtained.
c) What force would be needed if the driver approached the
bend at twice the speed?​

Answers

Answer:

a. Centrifugal force = 1230.77 Newton.

b. Centrifugal force = mv²/r

c. Centrifugal force = 4923.08 Newton.

Explanation:

Given the following data;

Mass = 800kg

Radius = 65m

Velocity = 10m/s

a. To find the force;

Centrifugal force = (800*10²)/65

Centrifugal force = (800*100)/65

Centrifugal force = 80000/65

Centrifugal force = 1230.77 Newton.

b. The force associated with the car is generally referred to as centrifugal force because it's the force required to keep the car in a curved or circular path. It can be calculated using the formula;

Centrifugal force = mv²/r

c. To find the force at twice the speed;

Velocity = 2 * 10 = 20m/s

Centrifugal force = (800*20²)/65

Centrifugal force = (800*400)/65

Centrifugal force = 320000/65

Centrifugal force = 4923.08 Newton.

a. To achieve a car of mass 800 kg goes round a corner of radius 65 m at a            speed of 10 m/s , needed 1230.77 Newton centripetal forces.

b. When an object goes round a corner then centripetal forces keep that object moving in a curved path.

c. When speed is twice. then, 4923.07 Newton centripetal forces needed.

a. Given that car of mass 800 kg goes round a corner of radius 65 m at a

    speed of 10 m/s.

  Centripetal force ,[tex]F=\frac{mv^{2} }{r}[/tex]

  Where m is mass, v is speed of object and r is radius.

   Substituting all values in above equation.

                    [tex]F=\frac{800*10^{2} }{65} =1230.77Newton[/tex]

b. Centripetal force is defined as, the force that is necessary to keep an    object moving in a curved path and that is directed inward toward the center of rotation.

As a car makes a turn, the force of friction acting upon the turned wheels of the car provides centripetal force required for circular motion.

c. When speed is twice, then  [tex]v=10*2=20m/s[/tex]

      Centripetal force,[tex]F=\frac{800*20^{2} }{65} =4923.08Newton[/tex]

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Answers

Answer:

Cities near water tend to have less precipitation in the summer because the water is warmer than the air

what name given to the heat energy received from the sun​

Answers

Answer:

solar energy

Explanation:

Please mark as the brainliest.

Answer:

The Name of the heat energy from the is called solar energy.

Xander goes airborne on his scooter as he exits a half-pipe at Newton's Skate Park. Xander and his scooter have a total mass of 50 kg. The net force acting on Xander and the scooter is 25N. What is Xander's acceleration?

Answers

Answer:

Hello,

QUESTION)

According to the 2nd Newton's law,

✔ We have : F = m x a ⇔ a = F/m; with F in N, m in kg, a in m/s²

a = 25/50a =0.5 m/s²

Therefore Xander's acceleration is 0.5 m/s².  

The total mass of Xander and his scooter is 50 kg and the net force acted due to Xander and his scooter is 25 N then the acceleration will be 0.5 m/s².

What is Acceleration?

Acceleration is the rate at which the speed and orientation of a moving object change over time. When a spot or object moves faster or slower along a straight line, it is said to be accelerated. Even though the speed is constant, motion on a circle accelerates so because the direction is always shifting. Both by and to acceleration for all other types of motion.

It is a vector quantity because it has both magnitude and direction.

As per the given information provided by the question,

Mass, m = 50 kg

Force, F = 25 N

F = ma

25 N = 50 × a

a = 25/50

a = 0.5 m/s².

Therefore, the acceleration of Xander's acceleration will be 0.5 m/s²

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Why are very high temperatures and pressures required for fusion to occur?

to generate the neutrons that are needed to break the nuclei
to overcome the repulsion between the protons in the nuclei that join
to maintain the proper conditions to keep the chain reaction going
to keep the uranium fuel separate from the control rods

Answers

Explanation:

to overcome the repulsion between the protons in the nuclei that join

Answer:

bBBBB

Explanation:

to overcome the repulsion between the protons in the nuclei that join

if a 0.040-kg stone is whirled horizontally on the end of a 60-m string at a speed of 4.4 m/s, what is the centripetal force ? * 0.013 n 4 n 0. 32 n 20.1 n

Answers

Answer:

0.013N

Explanation:

[tex]F=\frac{mv^{2} }{r}[/tex]

m=0.04, v=4.4m/s, r=60

F=0.013 N

A person can jump out of an airplane at 5000 feet, without a parachute, AND land on the ground safely (without any injury), IF they can manage to do what physics trick?

Lengthen the moment/time of impact
Bend knees right before impact
Spread out arms and legs to slow down
Shorten the length/time of impact

Answers

Answer:

Momentum is equal to mass for velocity (p1=mv)

But momentum is also equal to Force for time of impact (p1=Ft). Hence the impact force is inversely proportional to the fall time and directly proportional to the mass and fall velocity : F=mv/t^2 or F=p1/t

If he slows down, v diminishes and F diminishes

Hence correct Answer is C

if the roller coaster is 127 meters tall and has 622,300 J of potential energy how much does it weigh/ what is the mass?

Answers

Answer:

500 kg

Explanation:

using the formula Potential energy (p.e)=mgh where g= acceleration due to gravity whose value is 9.8

so,pe =mgh

622300=m*9.8*127

m=500kg

10 turns of wire are closely wound around a pencil as shown in the figure. when measured using a scale as shown, the length of total turns is obtained 25mm. then a) What is the thickness of the wire? b) Express the thickness of the wire in centimetre.
please write correct answer

Answers

Answer:

a. The thickness of the wire is 2.5 mm.

b. The wire is 0.25 cm thick.

Explanation:

Number of turns of the wire = 10

The length of total turns = 25 mm

a. The thickness of the wire can be determined by;

thickness of the wire = [tex]\frac{length of total turns}{number of turns}[/tex]

                           = [tex]\frac{25}{10}[/tex]

                           = 2.5 mm

Therefore, the wire is 2.5 mm thick.

b. To determine the thickness of the wire in centimetre;

10 mm = 1 cm

So that,

2.5 mm = x

x  = [tex]\frac{2.5}{10}[/tex]

   = 0.25 cm

The wire is 0.25 cm thick.

A vocalist with a bass voice can sing as low as 92 Hz.
What is the wavelength of the sound waves?

Answers

Answer:

3.26 x 10 to the power of 6

Explanation:

c = lambda × frequency

A burst of sound takes 0.4 seconds to reach the seabed and return, if speed of sound in water is 1400m/s. what is the depth of water?

Answers

Explanation:

Given:

Speed of sound = 1400 m/s

Total time taken = 0.4 seconds

To find:

The depth of water

Solution:

As it take 0.4 seconds for the burst to reach the seabed and return (both ways), we can deduce that it takes 0.2 seconds to reach the seabed (one way).

This is because the speed of sound is a constant.

Now, to find the depth, we use the equation

Speed = Distance/Time

Here, we know the values of speed (1400 m/s) and time (0.2 seconds). Distance is the depth of the water, which we need to find. Let the distance be x.

Therefore

1400 = x/0.2

x = 1400 * 0.2

x = 280 m

We get the depth as 280 metres.

Feel free to ask me if you didn't understand any part.

Hope this helps! :D

0.4 seconds bae hope this helps thanks your welcome

A football player kicked a ball at an angle of 37o above the horizontal with an initial velocity of 20 m/s, what is the maximum height reached by the ball? a. 62 m b. 26 m c. 7.4 m d. 5.1 m

Answers

Answer:

H = 8.45 m

Explanation:

Given that,

Angle of projection, [tex]\theta=37^{\circ}[/tex]

The initial velocity of the ball, u = 20 m/s

We need to find the maximum height reached by the ball. The formula for the maximum height is given by :

[tex]H=\dfrac{u^2\sin^2\theta}{2g}\\\\H=\dfrac{(20)^2\times \sin^2(37)}{2\times 9.8}\\\\H=8.45\ m[/tex]

So, the maximum height reached by the ball is 8.45 m.

How do you think the body deals with consuming a lot more
calories than are burnt?

Answers

Answer:

The body stores it as fat

Explanation:

Answer:

The body deals with consuming alot more calories than are burnt by gaining weight or holds it all up, while if you burn your calories, it'll lose weight :3

Explanation:

:3

The momentum of an object is determined to be 7.2 x 10-3 cm kg x m/s. Express this as provided or use any equivalent unit. How is this expressed in value and units?

Answers

Complete Question:

The momentum of an object is determined to be 7.2 × 10-3 kg⋅m/s. Express this quantity as provided or use any equivalent unit. (Note: 1 kg = 1000 g).

Answer:

7.2 gm/s.

Explanation:

Momentum can be defined as the multiplication (product) of the mass possessed by an object and its velocity. Momentum is considered to be a vector quantity because it has both magnitude and direction.

Mathematically, momentum is given by the formula;

[tex] Momentum = mass * velocity [/tex]

Given the following data;

Momentum = 7.2 * 10^-3 kgm/s

1 kg = 1000 g

Substituting the unit in kilograms with grams, we have;

Momentum = 7.2 * 10^-3 * 1000 gm/s

Momentum = 7.2 gm/s.

if a car, going 20 m/s with a mass of 1000kg hits a garbage can, what is the momentum of the can and the car afterwards?

Answers

Answer:

Momentum is the product of the mass and velocity of an object.

[tex]p = m \times v[/tex]

[tex]p = 1000kg \times 20 \frac{m}{s} = 20000kg \times \frac{m}{s} [/tex]

What do the flows of energy and matter through an ecosystem have in common?



Please help me answer this question !

Answers

Answer:

i believe it's the last one

Explanation:

because the first law of thermodynamics states that energy can be changed from one form to another, but it cannot be created or destroyed.

good luck :)

i hope this helps

have a great day !!

Can someone please help me with this

Answers

Answer:

i dont know about this

Explanation:

The box is pulled horizontally across the floor by a force of 100 N and opposed by a frictional force of 60 N. The object accelerates at 4 m/s2 .

Answers

Answer:

10 kg

Explanation:

first find resultant force by subtracting the forces mass is force ÷ acceleration

What is the momentum of a tank with a mass of 3,500 kg and a velocity of 6 m/s?

Answers

Answer: 21000 kg*m/s

Explanation: Momentum is mass times velocity or p=mv where p represents momentum so...

3,500kg*6m/s= 21,000kg*m/s

If you know any of them, please help!!!!!!

Answers

I believe the answer for 1) is

PEgrav = mass • g • height

PEgrav = m *• g • h

Pros and Cons of the Mercator projection as a scientific model.
And
Use what you wrote in the above table and turn it into a paragraph explaining the pros and cons of globes as a scientific model.

Answers

Answer:

ok i don't know the answer but I send you tomorrow

PLS ANSWER FAST WILL GIVE BRAINLEST!!!!!!!!!


what is the relationship between speed and kinetic energy? (In other words, how are the two related to one another?) Explain.

Answers

Answer:

The kinetic energy of an object is directly proportional to the square of its speed. That means that for a twofold increase in speed, the kinetic energy will increase by a factor of four.

Found it on the internet

Explanation:

Hope this helps dude

Explain with reason that when sunlight is focused on a piece of paper with the help of a convex len the paper will burn.​

Answers

Answer:

Convex lenses concentrates the light energy to one spot on the paper so that the heat energy accumulates on that one small spot of paper. ... As the heat increases, combustion will occur when the spot becomes too hot and the paper will burn.

Explanation:

Hope it helps!

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If a planet we same massas Earth were discovered orbising Barnard's Suarat the same distance
at Earta is orbiting the Son, why would there be less gravitational action between his new planet
and Barmand's Sarthen there is between Earth and the Sun

Answers

What is the subject?

AN AIR CRAFT HEADS NORTH AT 320KM/H RELATIVE TO THE WIND THE WIND VELOCITY IS 80KM/HFROMNORTH .FIND THE VELOCITY OF THE AIR RELATIVE TO THE GROUND

Answers

Answer:

Explanation:

See attached file for answer.

1. As you get ready for bed, you roll up one of your socks into a tight ball and toss it into the laundry
basket across the room. Then, you try to toss the other sock without rolling it up.. What effects whether
or not your socks land in the basket?

Answers

Answer:

When you toss a rolled up sock across the room, it travels faster as it becomes round and has more weight added on it and this causes the sock to travel in the direction you wish and this gives you a high chance of the sock going straight into the laundry basket, no matter how far away you are.

On the other hand, throwing a sock without rolling it up will cause the sock to just flat down as you throw it. It will travel at a low speed because it has no weight on it since it is flat, and if you try to throw it, it will atleast land 21 cm away from you. About a 0% chance of it getting in the basket.

Hope this helped! =>

physics!!! please help D:

Answers

Answer: A

Explanation: isotopes of the same thing element have the same number of protons in the nucleus but differ in the number of neutrons.

The electric field 1.22 m from
charge is 1570 N/C, pointing
toward the charge. What is the
charge? Include the sign of the
charge, + or -
(The answer is *10^-7 C. Just fill
in the number, not the power.)
(Unit = C)

Answers

Answer:

-2.6

Explanation:

it’s for Acellus

The charge with magnitude and sign is -2.6 x 10⁻⁷ C.

What is electric field?

The field developed when a charge is moved. In this field, a charge experiences an electrostatic force of attraction or repulsion depending on the nature of charge.

Given, the electric field 1.22 m from charge is 1570 N/C, pointing

toward the charge.

The electric field and charge is related as

E = kq/r²

q = Er²/k

where k = 9 x 10⁹ N.m²/C²

Substitute the given values in the question, we have

q = 1570 x (1.22)² / 9 x 10⁹

q= 2.6 x 10⁻⁷ C.

Thus, the magnitude and sign  of charge is -2.6 x 10⁻⁷ C.

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Scientists classify stars by color: white, red, blue. The color of a star helps to tells us how
______ The star is.

Answers

Answer: Hot

Explanation: Scientist use the color of starts to determine how hot the surface temperature is.

The Biot-Savart force law predicts the force on a charge moving ____ to a magnetic field.
a.perpendicular
b.parallel

Answers

I think it’s parallel
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