Petros H.

02/22/22

Laws of Motion Formula

1. How much mass must be added to an adjustable, empty dumbbell made to roll in order to gain a momentum similar to a rolling wheel with a mass of 40 kg at a velocity of 6.6 m/s? The... more

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Physics Electromagnetism

02/16/22

A positive point charge q1 at the origin and a negative charge q2 at x=2m. The resultant electric field is 10.8 i N/C at x=1m and -8 i N/C at x=3m. Find q1 and q2.

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Math Calculus Ap Calculus

02/07/22

Evaluate the indefinite integral:

∫(6x^(2)-4x-25)/(x-2) dx

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Physics

01/26/22

If you put a pie in a completely airless box... Is there still the smell of pie

I under stand you physically wouldn't be able to smell it, however is the smell still there but unable to travel due to there being no air? Or is there no smell?

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Physics Electromagnetism

01/26/22

Find charges of q2 and q3 on an equilateral triangle with known electric forces.

Three point charges q1, q2 and q3 are located at the corners of an equilateral triangle with sides of 10 cm. The electrical forces between them are F12= 5.4 N (attractive), F13= 15 N (repulsive)... more

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Pre Calculus

12/09/21

The point (-15, 53√) lies on the terminal side of an angle in standard position. Find the value of θ in degrees.

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Physics

12/06/21

pls include solution for better understanding thankyou!

An 85 g arrow is fired from a bow whose string exerts an average force of 105 N on the arrow over a distance of 75cm. What is the speed of the arrow as it leaves the bow?

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Physics

12/06/21

pls include solution for better understanding thankyou!

How much work is required to stop an electron (m= 9.11 x 10-31 kg) which is moving with a speed of 1.10 x 106 m/s?

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Calculus

11/30/21

Find the exact positive value of c if the area between the graph of y=x^2−c^2 and the x-axis is 42.

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Physics

11/17/21

Estimate the air pressure inside a category 5 hurricane, where the wind speed is 270 km/h (Figure 1). Express your answer to two significant figures and include the appropriate units.

Estimate the air pressure inside a category 5 hurricane, where the wind speed is 270 km/hkm/h (Figure 1).Express your answer to two significant figures and include the appropriate units.

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Physics

11/17/21

Calculate the true mass (in vacuum) of a piece of aluminum whose apparent mass is 2.8000 kg when weighed in air. The density of air is 1.29 kg/m3, and the density of aluminum is 2.7×103kg/m3.

Calculate the true mass (in vacuum) of a piece of aluminum whose apparent mass is 2.8000 kgkg when weighed in air. The density of air is 1.29 kg/m3kg/m3, and the density of aluminum... more

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Algebra 1

11/16/21

Solve the following system of equations graphically on the set of axes below. Y=-1/2+5

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Math Calculus

10/27/21

The rate (in mg carbon/m3/h) at which photosynthesis takes place for a species of phytoplankton is modeled by the function

P = (80i) / i^2 + i + 1 where I is the light intensity (measured in thousands of foot-candles). For what light intensity is P a maximum?I = ?

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Functions Integral Calculus

10/04/21

Consider the functions f, g, defined for x∈R.

Consider the functions f, g, defined for x∈R. given by f(x)=e-x sin x and g(x)= e-x cos x(a) Findi. f'(x)iI. g'(x) (b) Hence, or otherwise, find ∫ e-x sin x dx , between π and 0.

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Physics

09/25/21

What is the resultant force on the box if it is pushed up with 100 N of force?

A 12 kg box is being pushed up a ramp of 30 o. The frictional force is k=0.15. What is the resultant force on the box if it is pushed up with 100 N of force? cos(30 o) = 0.866 sin(30 o) =... more

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Physics

09/25/21

How fast is the car going after 6 seconds of traveling up the hill?

A car is at the bottom of a hill with an incline of 20o, and it starts to accelerate up the hill by pressing on the gas. It started at 15 m/s, and it has a mass of 1200 kg, and accelerates his... more

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Physics

09/25/21

Find the Total Force.

Say a 60 kg box is pushed up a ramp of incline of 30 o. We push with 400 N of force, and k = 0.07, find the Total Force. cos(30 o) = 0.866 sin(30 o) = 0.5 A. 106 N B. 364.36... more

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Algebra 2

09/17/21

Write a function $g$ whose graph represents a horizontal shrink by a factor of $\frac{1}{2}$ of the graph of $f\left(x\right)=\left|2x\right|+4$ .

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Physics

09/08/21

General Physics

A grocery store sells 5-kg bags of rice. You purchase 10 bags in almost 3 months and weigh them each time. You obtain the following measurements:Week 1 weight: 4.8 kgWeek 2 weight: 5.3 kgWeek 3... more

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Physical Science

09/08/21

Write the resulting element from the fused elements during fusion, and provide the atomic mass of the elements involved and the resulting element.

Li + NeNa + Be

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Physics

09/06/21

Review During the 2014 Olympic games, a snowboarder rose 5.8 m vertically above the rim of the half-pipe.

With what speed did he launch from the rim?

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Physics

08/31/21

A marathon runner completes a 42.188 km course in 2 h, 27 min, and 11 s. There is an uncertainty of 27 m in the distance traveled and an uncertainty of 1 s in the elapsed time.

A marathon runner completes a 42.188 km course in 2 h, 27 min, and 11 s. There is an uncertainty of 27 m in the distance traveled and an uncertainty of 1 s in the elapsed time. (Give all answers to... more

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Algebra 1

08/21/21

the numerator of a fraction is 3 less than the denominator. if the numerator is increased by 6 and the denominator is increased by 5, the fraction is doubled in value, find the original fraction

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Physics Electrical Engineering Electromagnetism

08/08/21

Electromagnetism

A ring of radius R has a homogeneous charge distribution. Place the origin at the center of the ring and calculate the electrostatic field for any point r such that |r| < R.

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Science Physics Ap Physics

07/27/21

Kinematics: compare time and speed

How to solve this problem:The first train half of its time moved with 80 km/h, another half with 40 km/h. The second train went slowly accelerating backward from 80 km/h to 40 km/h. Which train... more

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Laws of Motion Formula

A positive point charge q1 at the origin and a negative charge q2 at x=2m. The resultant electric field is 10.8 i N/C at x=1m and -8 i N/C at x=3m. Find q1 and q2.

Evaluate the indefinite integral:

If you put a pie in a completely airless box... Is there still the smell of pie

Find charges of q2 and q3 on an equilateral triangle with known electric forces.

The point (-15, 53√) lies on the terminal side of an angle in standard position. Find the value of θ in degrees.

pls include solution for better understanding thankyou!

pls include solution for better understanding thankyou!

Find the exact positive value of c if the area between the graph of y=x^2−c^2 and the x-axis is 42.

Estimate the air pressure inside a category 5 hurricane, where the wind speed is 270 km/h (Figure 1). Express your answer to two significant figures and include the appropriate units.

Calculate the true mass (in vacuum) of a piece of aluminum whose apparent mass is 2.8000 kg when weighed in air. The density of air is 1.29 kg/m3, and the density of aluminum is 2.7×103kg/m3.

Solve the following system of equations graphically on the set of axes below. Y=-1/2+5

The rate (in mg carbon/m3/h) at which photosynthesis takes place for a species of phytoplankton is modeled by the function

Consider the functions f, g, defined for x∈R.

What is the resultant force on the box if it is pushed up with 100 N of force?

How fast is the car going after 6 seconds of traveling up the hill?

Find the Total Force.

Write a function $g$ whose graph represents a horizontal shrink by a factor of $\frac{1}{2}$ of the graph of $f\left(x\right)=\left|2x\right|+4$ .

General Physics

Write the resulting element from the fused elements during fusion, and provide the atomic mass of the elements involved and the resulting element.

Review During the 2014 Olympic games, a snowboarder rose 5.8 m vertically above the rim of the half-pipe.

A marathon runner completes a 42.188 km course in 2 h, 27 min, and 11 s. There is an uncertainty of 27 m in the distance traveled and an uncertainty of 1 s in the elapsed time.

the numerator of a fraction is 3 less than the denominator. if the numerator is increased by 6 and the denominator is increased by 5, the fraction is doubled in value, find the original fraction

Electromagnetism

Kinematics: compare time and speed

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