what are the aerodynamics of a cow

Answer:

This question appears incomplete

Explanation:

However, this question seeks to seek our knowledge of Lenz law which states that the current produced by an induced emf (electromotive force) moves/flows in the direction opposite to the change in flux that induced the emf.

From this law, it can be noted from the question that the magnetic pole produced (at P), when the south pole of the magnet is brought towards the solenoid, is the south pole while the magnetic pole produced (at P), when the south pole of the magnet is taken away/changed from the solenoid, is the north pole.

It should be noted that solenoid is an electromagnetic device (and can hence be used to induce emf) that can convert electrical energy to mechanical energy.

Answer:

electrons

Explanation:

it just does

Answer:

around 98 meters per second.

Explanation:

Instantaneous velocity can be found with a equation.

Vf=Vi+At

Since it fell and had no initial velocity the equation becomes

Vf=At

The Acceleration is 9.8 m/s^2

So the velocity of it fell for ten seconds is

Vf=9.8m/s^2 * 10

Vf= 98 m/s

Answer:

A

Explanation:

so it looks unequell but it is.

Answer:

Explanation:

The acceleration of an object given it's velocity and time taken can be found by using the formula

[tex]a = \frac{v}{t} \\ [/tex]

where

a is the acceleration

v is the velocity

t is the time

From the question

v = 27 m/s

t = 8 s

We have

[tex]a = \frac{27}{8} \\ = 3.375[/tex]

We have the final answer as

Hope this helps you

Given parameters:

Mass of Dogsled  = 600kg

Force = 150N

Unknown:

Acceleration of the sled = ?

Solution:

Force is a physical quantity and can be expressed as a product of mass and acceleration.

       Force  = mass x acceleration

   Since acceleration is unknown, we input the parameters and solve for it;

      150  = 600 x acceleration

     Acceleration  = [tex]\frac{150}{600}[/tex] = 0.25m/s²

The acceleration of the sled is 0.25m/s²

Answer:

state population

Explanation:

bestie you can find it on Constitution on article l

Answer:

A

Explanation:

There are three basic forces in aerodynamics: acceleration, which moves an airplane forward; drag, which holds it back; and height, which keeps it airborne. Lift is generally explained by three theories: Bernoulli's principle, the Coanda effect, and Newton's third law of motion.

Answer:

c. use tongs

Explanation:

Answer:

B. 45 g because it is the given answer of the division that is given to the equation

Answer:

Indirect relationship

Answer:

Vrel_jon's = 15 [m/s] to the right

Explanation:

Relative velocity is defined as the relative motion between two bodies, taking into account the directions of motion.

Relative velocity is defined as the relative motion between two bodies, taking into account the directions of motion. The relative velocity is defined as the algebraic sum of the velocities, if the movements are opposite the vectors are subtracted, as will be done below.

Vrel = 20 - 5 = 15 [m/s]

A person watching Jon sees him moving to the right at a speed of 15 [m/s]

Answer:

40.8 m North West.

Explanation:

Please see attached photo for diagram.

In the attached photo, R represent the displacement of the dog.

The displacement (R) of the dog can obtained by using the pythagoras theory as illustrated below:

R² = 35² + 21²

R² = 1225 + 441

R² = 1666

Take the square root of both side.

R = √1666

R = 40.8 m North West.

Therefore, the displacement of the dog is 40.8 m North West.

Answer:

d

Explanation:

15.15 amps lowing through the bulb can Jonathan claim for his second electric circuit

Electronic components like resistors, circuitry, capacitors, inductors, and diodes are connected by conductive cables or traces that allow electric current to flow between them.

It is a specific kind of electrical circuit, and it is called as electronic rather than electrical, there usually needs to be at least each active component present.

In this circuit Signals can be amplified, calculations can be made, and data can be transported from one location to another thanks to the combination of factors and wires.

Electric current is generated by a power source like battery, and can travel through conductors such as wires, before returning to the power source. Electric circuits can be divided into two types: series and parallel circuits.

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One double bond consists 4 electrons, so 2 double bonds means 8 electrons

Answer: 8 electrons

Explanation:edg

Answer:

Mass of a body is fixed everywhere. True

Explanation:

Since amount of a matter is not dependent of place or position therefore it remains same at everywhere.

Hence value of mass of a body is fixed everywhere.

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Explanation:

given that the raven flies south for

time= 10 sec

speed= 10km/s

we know that speed=distance/time

distance=speed*time

distance=10*100

distance=1000m

distance=1km

also flies

distance=0.5km = 500m

time= 50 sec

speed= distance/time

speed=500/50

speed= 10m/s

speed= 0.01km/s

The average speed of an object is defined as the distance traveled divided by the time elapsed.

average speed= (1000+500)/10+50

average speed= (1500)/60

average speed= 25m/s

average velocity= (10km/s+0.01km/s)/2= 10.01/2= 5.005km/s

Answer:

No it will not (false)

Explanation:

I say this because if anything the ice will sink and melt from a solid to a liquid and that will lead to i guess more water for the aquatic life. (THIS IS A THEORY SHAWTY)

Answer:

No you should not go

Explanation:

Because if you go you will be more behind and then you’ll get so stressed from the work that you didn’t do and then it will just keep on stacking up and get more and more stressed and also another reason is because you should do the responsible choice and stay home and work on your project so you would be telling your friend that you can not go Because you got work to do and maybe you could schedule it for the next weekend and have your fun next week and you should always do the responsible choice.

Answer:

Q₁ = 15.78 KJ

W = 5.76 KJ

Explanation:

First we find efficiency of this ideal Carnot engine:

Efficiency = 1 - T₂/T₁

T₁ = source temperature = 125°C + 273 = 398 K

T₂ = Sink Temperature = -20°C + 273 = 253 K

Therefore,

Efficiency = 1 - 253 K/398 K

Efficiency = 0.365 = 36.5%

Now, we find expelled heat (Q₂), by using latent heat of fusion of ice:

Q₂ = mH

where,

m = mass of ice melted = 30 g = 0.03 kg

H = Latent Heat of Fusion of Ice = 3.34 x 10⁵ J/kg

Therefore,

Q₂ = (0.03 kg)(3.34 x 10⁵ J/kg)

Q₂ = 1.002 x 10⁴ J = 10.02 KJ

Now, we use another formula of efficiency to find absorbed heat (Q₁):

Efficiency = 1 - Q₂/Q₁

0.365 = 1 - 10.02 KJ/Q₁

10.02 KJ/Q₁ = 1 - 0.365

Q₁ = 10.02 KJ/0.635

Q₁ = 15.78 KJ

Now, for work done we have the formula:

W = Q₁ - Q₂

W = 15.78 KJ - 10.02 KJ

W = 5.76 KJ

Explanation:

derive its name from a Native American word meaning wild onion

Answer:

ca taode na kadato itoi runa ko

Answer:

Explanation:

Sound needs a material medium for their propagation like solid, liquid or gas to travel because the molecules of solid, liquid and gases carry sound waves from one point to another. Sound cannot progress through the vacuum because the vacuum has no molecules which can vibrate and carry the sound waves.

Frequency= no. of oscillations/time=40/60sec

4/6=0.66

Answer:

A compound has unique properties that are distinct from the properties of its elemental constituents. One familiar chemical compound is water, a liquid that is nonflammable and does not support combustion. It is composed of two elements: hydrogen, an extremely flammable gas, and oxygen, a gas that supports combustion.

Answer:

The rock takes 1.22 seconds to hit the ground

Explanation:

Free Fall Motion

A free-falling object falls under the sole influence of gravity. Any object that is being acted upon only by the force of gravity is said to be in a state of free fall. Free-falling objects do not encounter air resistance.

If an object is dropped from rest in a free-falling motion, it falls with a constant acceleration called the acceleration of gravity, which value is g = 9.8 m/s^2.

The final velocity of a free-falling object after a time t is given by:

vf=g.t

The distance traveled by a dropped object is:

[tex]\displaystyle y=\frac{gt^2}{2}[/tex]

If we know the height h from which the object was dropped, we can find the time it takes fo hit the ground:

[tex]\displaystyle t=\sqrt{\frac{2y}{g}}[/tex]

[tex]\displaystyle t=\sqrt{\frac{2\cdot 6}{9.8}}[/tex]

[tex]t=1.22\ sec.[/tex]

The rock takes 1.22 seconds to hit the ground

The time taken for the rock to hit the ground from the roof top is 1.1 seconds.

Given the data in the question;

Since the rock was initially at rest

Time taken for the rock to hit the ground; [tex]t = \ ?[/tex]

To determine the time taken for the rock to hit the ground, we use the second equation of motion:

[tex]s = u + \frac{1}{2}at^2[/tex]

Where s is the height or distance, u is the initial velocity, t is time taken and a is acceleration due to gravity( since the rock will be under gravity, [tex]a = g = 9.8m/s^2[/tex] )

We substitute our values into the equation

[tex]6m = 0 + [ \frac{1}{2}\ *\ 9.8m/s^2\ * t^2 ]\\\\6m = 4.9m/s^2 \ * t^2\\\\t^2 = \frac{6m}{4.9m/s^2}\\\\t = \sqrt{\frac{6m}{4.9m/s^2}} \\\\t = 1.1s[/tex]

Therefore, time taken for the rock to hit the ground from the roof top is 1.1 seconds.

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