01/18/21

Find the general solution (x+2y-1)dx-(2x+y-5)dy=0
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01/11/21

a person drops a 2.00 kg ball off a building. what is the force of weight on the ball?
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01/07/21

A 1210 kg rollercoaster car is moving 7 33 m/s. As it approaches the station, brakes slow it down to 1.88 m/s over a distance of 5.29 m. How much work did the brakes do
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12/08/20

Chemistry question

If 81 J of Heath is added to pure gold coin with a mass of 12 g, what is the temperature change? The specific heat capacity of gold is 0.128J/g^C
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12/01/20

Physics- Gravitational Force
The mass of the earth is 5.98 × 1024 kg and the mass of the moon is 7.35 × 1022 kg. If the distance between the earth and the moon is 384,000 km, what is the gravitational force on the moon?
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11/18/20

A book sold 39,600 copies in its first month of release. Suppose this represents 6.7 percent of the number of copies sold to date. How many copies have been sold to date?
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11/12/20

Electrical Circuit Basics
When we connect an R resistor to a battery battery, the resistor's ends voltage is measured at 240 V. When we add 10 Ω to this resistance, the circuit current becomes 5 A, and when 20 Ω is removed,... more
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11/11/20

Find the slope of the tangent line for g(x)=x/(square root(5x+1); for x=1
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11/05/20

Calculate the total relativistic energy of the electron, expressed in picojoules
An electron is travelling at a speed of 0.95 c
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11/04/20

Appropriate formula to find future value
Use the appropriate formula to find the future value (in $) of $700 deposited at the beginning of every six months, for 19 years if a bank pays 4% interest, compounded semiannually. (Round your... more
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09/22/20

Thermodynamics conversion
Convert 35 pints to cavan
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08/26/20

Exponential and log equations
log(x^2)+log(x^4)/log(70x)=3
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07/10/20

Write down a comprehensive note on “The Magnetic Dipole Moment”.

Write down a comprehensive note on “The Magnetic Dipole Moment”. 
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07/10/20

What is λ (mean free path) for the conduction electrons in copper, assuming that their effective speed veff is 1.6 × 106 m/s? [Hint: d=vt]
What is λ (mean free path) for the conduction electrons in copper, assuming that their effective speed veff is 1.6 × 106 m/s? [Hint: d=vt]
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06/25/20

Find f '(a). f(t) = 6t + 6/ t + 9
f(t) = 6t + 6/ t + 9f'(a)=______
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06/24/20

Evaluate line integral of vector field
F (x, y, z) = y sin(x2) i + xyz j + (x + y + z) k along line segment from the point (0, 0, 0) to point (1, 2, 3).
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06/21/20

perform the indicated operations and write your result as a single number.
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06/21/20

How many different ways can you make 50 cents
How many different ways can you make 50 cents if you have 1 quarter, 5 dimes, and 10 nickels?
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06/13/20

Find the gradient of the line segment between the points (2,-3) and (-3,-8).
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06/12/20

Use the Radio Test to determine whether the series is convergent or divergent
Σ With upper limit to infinite, down limit to n=1the equation inside Σ is n!/n^nim asked to find anand evaluate an+1/an
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06/04/20

Potential/Kinetic Energy Questions
Greg raises a 75.0 N physics book from a table 0.750 m above the floor to a shelf, 2.15 m above the floor. What was the change in potential energy? A bowling ball, travelling at 0.950 m/s comes... more
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05/25/20

What is the slope of the tangent at x=pi for f(x)=e^sinx
What is the slope of the tangent at x=pi for f(x)=e^sinx
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05/17/20

Find the derivative of the equation f(x)=x^2+7x-2 at x=0
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05/13/20

The right lens of Josh's contact lenses is a converging lens of +2.50 diopters. He can read a book held as close as 25 cm from his eyes.

The right lens of Josh's contact lenses is a converging lens of +2.50 diopters. He can read a book held as close as 25 cm from his eyes. Complete the following statement: Without his lenses, Josh's... more
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05/10/20

physics2 collage
Two co-axial cylindirical conducting shells with radius a and b has lenghts L. If these cylindirical shells have ±Q charges on them. a=2m, b=4m, Q=143C, L=5m anda mass of 2kg that has a charge of... more
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