10/29/20
Hello! Can anyone help me verify the following? (1+cos(2y))/sin(2y)=cot(y)
So far I have separated the left hand side into two fractions so that I have 1/sin2y + cos2y/sin2y and then was able to simplify 1/sin2y to csc2y by the reciprocal identity. But that is as far as I...
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10/28/20
An astronaut tosses a ball upwards on an unknown planet with no atmosphere. The astronaut gives the ball a speed of 5.0 m/s. It takes 5.0 seconds to return to the height it was tossed from.
What is the acceleration of gravity on this unknown planet?
How high did the ball rise above the astronaut’s hand?
10/28/20
% Yield and limiting reagent Homework(show work in a easy way for a highschooler to understand
2KClO3 → 2KCl + 3O2
If you start with 23.5 g of KClO3, how much KCl will you theoretically make?
In the lab you make 9.32 g of KCl. What is your percent yield?
Fe3O4 + 4 H2→ 3Fe + 4H2O
If you...
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10/27/20
calculas homework help.
The h in the formula for velocity is lower then the 2Gravel is being dumped from a conveyor belt at a rate of 30 cubic feet per minute. It forms a pile in the shape of a right circular cone whose...
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10/27/20
Linear Regression Question (Repost)
To compare textbook prices at the two most popular online booksellers, a Statistics student gathered information about 14 college textbooks from Amazon.com and bn.com on November 25, 2006. For each...
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10/26/20
find a solution with 0<x<pi in radians
3 cos x = 0.654 and round the answer to three decimal places
10/26/20
Converting Degrees to radians
Convert the angle -5.5 radians to degrees, rounding to the nearest 10th
10/25/20
the molecular weight
What is the molecular weight of a hypothetical compound in the following experiment, assuming ideal gas behavior?The mass of a 250 mL flask under vacuum weighs 105.000 grams. The flask is filled to...
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10/25/20
A particle moves according to a law of motion below, 0 t < 6, where t is measured in seconds and s in feet. s = f(t) = cos((pi t)/3)
A particle moves according to a law of motion below, 0 t < 6, where t is measured in seconds and s in feet.(b) What is the velocity after 2 s? (c) When is the particle at rest?(d) When is the...
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10/25/20
Product & Quotient #16
Suppose that and and let and Answer the following questions.1. Find Answer: 2. Find Answer:
10/25/20
Product & Quotient Rules # 7
Find the equation of the line that is tangent to the curveat the point .The equation of this tangent line can be written in the form where and
10/25/20
Practice Problem #23
Suppose(a) Find . (Hint: Apply the laws of logarithms to before taking its derivative.)(b) Find
10/24/20
Given the function f(x) = 4x + 10 and g(x), which function has a greater slope?
Given the function f(x) = 4x + 10 and g(x), which function has a greater slope?
xg(x)
2
5
4
7
6
9
A f(x) has a greater slope.B g(x) has a greater slopeC. The slopes of f(x) and g(x) are the...
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10/24/20
How do I solve this Physics question please?
A raindrop of mass 3.46 10-5 kg falls vertically at constant speed under the influence of gravity and air resistance. Model the drop as a particle.(a) As it falls 80 m, what is the work done on...
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