consider the phrase, " the quick brown fox jumped over the lazy dog." which details of this situation would a physicist who is modeling the path of a fox ignore?

Answers

Answer 1

Answer:

The physicistmodelling the path of the fox will ignore the colour of the fox and the strength of both animals.

The given phrase:

"the quick brown fox jumped over the lazy dog."

To find:

the detail of the of the given statement which will be ignored by a physicist modelling the path of the fox.

The path of a motion is determined by:

time of motion

direction of motion

speed of motion,
the motion's trajectory, etc

The physicist will ignore the following details in the givenphrase:

the colour (brown)of the for: this is irrelevant to the motion of the fox
the strength(lazy) of both fox and dog

Thus, the physicist modelling the path of the fox will ignore the colour of the fox and the strength of both animals.

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Answer 2

Answer:

Answer:

Air resistance.

Explanation:

In this scenario the fox is jumped over the lazy dog then the trajectory of the fox will be parabolic. The physicist solve this problem by the help of projectile motion by taking vertical and horizontal component to solve this by using newton equation of motion.

But he should neglect or ignore the air resistance because the addition of air resistance will make the path more difficult and the problem will become tougher to apply newton equation to find the value up to more precision.

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What material would make the best heating element for an electric range?a. a resistor, which converts some electric energy to thermal energy
b. an insulator, which stops the flow of electricity
c. a conductor, which carry electric currents
d. a conductor surrounded by an insulator

Answers

Conductor is a material would make the best heating element for an electric range.

What is conductor?

A conductor, which carry electric currents is considered as the best heating element for an electric range because conductor is a material that transfer large amount of heat and electricity without losing it.

So we can conclude that conductor is a material would make the best heating element for an electric range.

Learn more about conductor here: brainly.com/question/24154868

#SPJ1

Answer:

A. A resistor, which converts some electric energy to thermal energy.

Explanation:

I took the k12 test!

If 2.0 x 10^-4 C charge passes a point in 5.0 x 10^-5 s, what is the rate of current flow?4.0 x 10^-1 A
1.0 x 10^2 A
1.0 x 10^-10 A
4.0 x 10^0 A

Answers

Current is defined as the rate of charge flowing a point every second. Having a current of 1 Ampere signifies 1 Coulomb is flowing in a circuit every second. It is measured by the use of an ammeter which is positioned in series to the component to be measured. The current in the problem is calculated as follows:

I = 2.0 x 10^-4 C / 5.0 x 10^-5 s
I = 4 A

Q= I×t

Where Q is charge in Coulombs C,

I is current in Amperes A,

t is in seconds s.

The rate of current flow is defined as the charge passing through a point in the circuit per second.

Rearranging formula gives I= $(Q)/(t)$

⇒I = $(2.0*10^-4)/(5.0*10^-5)$ = 4 Amperes

∴ current flow = 4.0×10^0 A

5 pointsAt 55 minutes how fast is the object moving?*
velocity
B01
B
60
40
А
20
me
min
D
20
40
10
20
30
50
55 m/s
60 m/s
20 m/s
0 m/s

Answers

Answer:

9 answer hai brown

Using this equation: LaTeX: v\:=\frac{\Delta x}{\Delta t}v = Δ x Δ t, solve for LaTeX: \Delta tΔ t Group of answer choices LaTeX: \Delta t\:=\frac{v}{\Delta x} Δ t = v Δ x Δ t = v Δ x LaTeX: \Delta t\:=\Delta x\:.\:v Δ t = Δ x . V Δ t = Δ x . V LaTeX: \Delta t\:=\frac{\Delta x}{v} Δ t = Δ x v LaTeX: \Delta t\:=\Delta x-v

Answers

Answer:

$\Delta t = (\Delta x)/(v) \n\n$

Explanation:

Given the expression $v\:=(\Delta x)/(\Delta t)$ , we are to find the value of Δt from the expression. To find Δt, we will make Δt the subject of the formula from the given expression as shown;

$v\:=(\Delta x)/(\Delta t)\n\ncross\ multiply\n\nv*\Delta t = \Delta x\n\nDivide \ both\ sides \ of\ the \ resulting \ equation \ by \ v\n\n(v*\Delta t)/(v) = (\Delta x)/(v) \n\n\Delta t = (\Delta x)/(v) \n\n$

Hence the equivalent expression for $\Delta t = (\Delta x)/(v) \n\n$ .

Which is the correct standard notation for 9.3 x 10^59,300
93,000
930,000
9,300,00

Answers

Answer:

930,000

Explanation:

9.3 x 10^5

The power of 10 (5 in this question) gives the number of times the decimal point is to be moved to the right.

If there was a negative sign in front of the power, the number would have been an indication of how many times the decimal point is to be moved to the left.

Further to this

9.3 x 10^5 = 9.30000000 x 10^5

= 930000.000

= 930,000

The correct standard notation for 9.3x10^5 is 930,000.

a boeing 747 has a total mass, including passengers and luggage, of 250,000 kg. How much force do the engines supply to achieve a take off velocity of 990 m/s in 35 seconds.

Answers

Acceleration = (change in speed) / (time for the change)

Acceleration = (990 m/s) / (35 sec) = 28.29 m/s²

Force = (mass) x (acceleration)

Force = (250,000 kg) x (28.29 m/s²) = 7.07 million Newtons

about 1.59 million pounds .

===========================================

There you have the Physics and the Math.
Does any of this resemble the real world ?
No. The question is completely bogus.

-- Take-off speed can't be 990 m/s.
That would be about 2,200 mph, almost 3 times the speed of sound.

-- The take-off run can't accelerate at 28.3 m/s² .
That would be almost 3 G's. If it didn't rip the wings off of the 747,
it would surely guarantee early use of most of the passengers' barf bags.

-- The Saturn V first-stage booster that sent Apollo to the moon
had a thrust of 7.5 million pounds. I'm pretty sure that was more
than 4.7 Boeing 747's.

================================

Ah hah ! I've just been handed a bulletin, or as they say nowadays,
there is breaking news !

I see that the take-off speed has been revised downward to 90 m/s.
That's right at 200 mph which seems reasonable to me, so let's go
back and do the whole thing again:

Acceleration = (change in speed) / (time for the change)

Acceleration = (90 m/s) / (35 sec) = 2.57 m/s² (about 0.26 G)

Force = (mass) x (acceleration)

Force = (250,000 kg) x (2.57 m/s²) = 643 thousand Newtons

about 144 thousand pounds.

about 1.9% of a Saturn V booster.

I like that a lot better.

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