11/09/21

Antiderivatives Calculus

 A particle is moving as given by the data below:v(t) = 4sin(t) − 2cos(t); s(0)=0s(t) =
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11/09/21

Given: The mass of the earth is 5.97e+24 kg and the radius of the earth is 6.3700e+06 m
Given: The mass of the earth is 5.97e+24 kg and the radius of the earth is 6.3700e+06 m. The gravitational force on an orbiting satellite is the centripetal force.A. At what height above the ground... more
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11/09/21

Heat Transfer/ Specific Heat Problems. Steps on how to do it please.

8750 J of heat are applied to a piece of aluminum, causing a 56.0 oC increase in its temperature. The specific heat of aluminum is 0.9025 J/g x oC. What is the mass of the aluminum?
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11/08/21

redox reactions

Sb2O5 + 2HAsO2+ 2 H++ H2O2SbO+ + 2H3AsO4 In the above redox reaction, use oxidation numbers to identify the element oxidized, the element reduced, the oxidizing agent and the reducing agent. name... more
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11/06/21

Binomial Distribution
The distribution of weights for the population of females in the United States is approximately normal with mean µ = 135.4 pounds and standard deviation σ = 21.3 pounds.  What is the probability... more
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11/06/21

What temperature (in °C) did an ideal gas shift to if it was initially at -22.5 °C at 4.62 atm and 35.0 L and the pressure was changed to 2.50 atm and the volume changed to 50.0 L?
Need this answered ASAP.ASAP.ASAP.ASAP.ASAP. I need help understanding this question. Needed by tomorrow. ASAP.
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11/06/21

Find the coordinators of the point 3/10 of the way from A to B
A= (-3,-7)B=(10,4)
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11/06/21

Estimate the area under the graph of f(x)=x^2+3x from x=1 to x=7 using 3 approximating rectangles and left endpoints
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11/06/21

Consider the curve x^2/3+y^2/3=4 . Let F be the tangent line to this curve at the point (1, 3–√3) , and let C and D be the x- and y-intercepts of F .

What is the length of the line segment CD ?
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11/05/21

Indefinite Integration
Find ∫(3/x^6+4x+5)dx
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11/05/21

Calculate the relative uncertainty.
Give the relative uncertainty required in a clock which is put right at noon on Sunday, and by the following Sunday noon must have an error of no more than 5seconds. Give your answer as a percentage.
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11/04/21

Find the volume of a pyramid with a square base
Find the volume of a pyramid with a square base, where the perimeter of the base is 8.6 cm and the height of the pyramid is 6.1 cm. Round your answer to the nearest tenth of a cubic centimeter.
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11/02/21

Calculate the pressure
A sample of an ideal gas has a volume of 2.23L at 281 K and 1.08 atm.  Calculate the pressure when the volume is 1.28 L and the temperature is 306 K.P = ? atm
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11/01/21

Solving a word problem using a quadratic equation with rational root
The length of a rectangle is 7 ft2 more than double the width and the area of the rectangle is 99 ft2 find the dimensions rectangle
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11/01/21

Physics 105 Homework Help Needed

A positive charge of 0.00078 C is 28 m from a negative charge of 0.0006 C. What is the force of one of the charges due to the other charge in units of Newtons? Charges Q1 and Q2 exert repulsive... more
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11/01/21

Please Help. A company selling widgets has found that the number of items sold x depends upon the price p at which they're sold
A company selling widgets has found that the number of items sold x depends upon the price p at which they're sold, according the equation x=10000/√(6p+1).Due to inflation and increasing health... more
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10/31/21

a 2.0 kg block is released from rest at the top of a 22° inclined plane of height of 0.65 m. At the bottom of the plane it collides & sticks to a block of 3.5 kg. the two blocks slide a together...
a 2.0 kg block is released from rest at the top of a 22° inclined plane of height of 0.65 m. At the bottom of the plane it collides & sticks to a block of 3.5 kg. the two blocks together slide... more
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10/30/21

interconverting atmospheres and torr
The ocean pressure at the depth of the Titanic wreck is 3.04 x 10^4 mmHg. Calculate the ocean pressure in atm and torr. Round each of your answers to 3 significant digits.
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10/30/21

using heat of fusion
Calculate the amount of heat needed to melt 106.g of solid octane (C8H18) and bring it to a temperature of 118.8°C. Round your answer to 3 significant digits. Also, be sure your answer contains a... more
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10/30/21

Burning charcoal
The charcoal that was burned in a grill left only a fine, light ash. The ash weighs significantly less than the charcoal before being burned. What happened to the extra mass?
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10/30/21

Use Newton's method with initial approximation x1 = 1 to find x2, the second approximation to the root of the equation x4 − x − 8 = 0.
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10/29/21

Please help me with this question
You extracted 10 grams of Ghost pepper with 35 ml acetone, filtered, back-extracted with water then dried. The ending volume after drying was 2.5 ml. This 2.5 ml was run on an open column and... more
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10/28/21

translation in geometry
Find the image of the point E(–11, 0) after a reflection across the x-axis.
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10/28/21

AMDM (Mathematics) Question
A person is pushing on a car with a force of <25,-13> and another person is pushing on a car with a force of <18,2>. What is the net force in the vertical direction?
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10/28/21

After titration, 25 mL of a vinegar solution was found to contain 0.03 moles of acetic acid. Using a density of 1.00 g/mL, what is the mass percentage of acetic acid
After titration, 25 mL of a vinegar solution was found to contain 0.03 moles of acetic acid. Using a density of 1.00 g/mL, what is the mass percentage of acetic acid in this vinegar sample? Report... more
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