Answers created by Zack M.
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How does parallax change as the distance to a star increases?
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If an asteroid has a perihelion distance of 2.0 A.U. and an aphelion distance of 6.0 A.U., what is its orbital semi-major axis, eccentricity, and period?
Thanks!?
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How do you write a formula for the general term (the nth term) of the geometric sequence 4,4/3,4/27,4/81...?
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How can I draw diagrams that I can add to my answers?
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What are black holes, white dwarfs, and neutron stars?
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What is the Hertzsprung–Russell diagram?
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If perihelion and aphelion refer to the nearest and farthest point from the sun, respectively, and according to physics, Earth orbits faster when it is nearer the sun than when it is farther. Does this affect the length of day on the earth?
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Where is the Milky Way located in our solar system?
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Why do some of the planets in our solar system appear to be brighter than some stars in the night sky?
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From which New York State location would Polaris be observed to have an altitude closest to 43° above the northern horizon?
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How do you verify #(tanx) /(1-cotx) + (cotx) /(1-tanx) = 1 +secx cscx#?
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Why are standard candles important to astronomers trying to measure the Hubble constant?
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If the Hubble telescope can take excellent pictures of stars and galaxies forming millions of light years away, why can't it take a good picture of Pluto?
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How do astronomers use the Doppler effect to determine the velocities of astronomical objects?
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How is orbital period calculated if perihelion and aphelion are known? For example, the orbit of a spacecraft about the sun has a perihelion distance of 0.5 AU and an aphelion of 3.5 AU., what is its orbital period?
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How cold is intergalactic space?
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A model rocket with a mass of 2.7kg is launched straight up from the ground at a speed of 110m/s. What is the rocket's maximum height?
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Scientists have now witnessed the formation of new planets. Does this evidence disprove the Big Bang theory?
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Which is greater, a parsec or a light year?
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Why can't astronomers use parallax to measure distances to other galaxies?
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Why is it theorized that our sun will become a red giant?
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Where is the center of mass of the solar system?
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Why do observers in New York State looking due south at the night sky see a different group of constellations from what they had seen six months earlier?
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What is the parallax formula and how is it used to calculate the distance between two stars?
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Question #aa837
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How much difference is there between the astronaut's mass on Earth and on the moon?
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How do you simplify #tanA - cscA secA (1 - 2cos^2 A)#?
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How do you simplify #csc θsec θ - cot θ#?
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A 25 Kg paint bucket is hanging by a massless cord from another 50 kg paint bucket also hanging by a massless cord. If the buckets are at rest, what is the tension in each cord?
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What are the different types of lunar eclipses?
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How does angular momentum relate to our solar system?
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How do pulleys provide mechanical advantage?
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How do you find the quotient of #(x^3+27) / (x+3)#?
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A right cylinder is inscribed in a sphere of radius r. How do you find the largest possible volume of such a cylinder?
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How do you differentiate #f(x)=1/cossqrt(1/x)# using the chain rule?
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How did oxygen become such a major component of the current atmosphere?
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What is #int sin^3(12x)cos^2(12x) dx#?
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How do you find the derivative of #cos(cos(cos(x)))#?
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How do you simplify #(2sqrt(7)+35)/[sqrt(7)]#?
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How does the sun earth and moon system affect tides on earth?
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How do beats help determine whether two sound waves are of the same frequency?
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What is the derivative of #f(x) = ln(x/5)#?
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How do you find the x and y intercept given #2x-3y-12=0#?
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How do you differentiate # f(x)=x*(9 + 2 x)*sqrt(x^2-3)# using the product rule?
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How does soil differ from dirt?
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How do you find the indefinite integral of #int (cosx)/(7sin(x)+42)dx#?
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What did Newton add to our understanding of Kepler's laws?
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If the quadratic equation can be used to determine when a function equals zero, is there a modified quadratic equation that can determine when a function equals another constant?
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If a distance-time graph (starting at (0,10) and ending at (10,0) has a negative linear trend, then what would the velocity-time and acceleration-time graphs look like?
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How do you simplify #(x^2-4)/(x-3) * (x+2)/(8x-16)#?
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How do you use the shell method to set up and evaluate the integral that gives the volume of the solid generated by revolving the plane region #y = 1 + x^2#, #y = 0#, #x = 0#, #x = 2# rotated about the y-axis?
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What is cos ^ -1 ( cos (7 pi/4) )?
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How do you simplify #-1*sqrt(2)*sqrt(2-sqrt(3)) #?
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How do you find the perimeter of the triangle whose vertices are these specific points on a plane (-1,6) (4,-5) (-2, -4)?
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Question #5d76f
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What simple machines are combined to make an axe?
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Question #6d4a8
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Question #6c86a
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How do you simplify #(18x)/(x^2-5x-36) + (2x)/(x+4)#?
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How do I know when the Fnet in x direction is 0?
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How do you simplify #(-6x^7)(-9x^12)#?
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Question #45d1e
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What is the derivative of #y = log_2 (x^4sinx)#?
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How do you graph #y= 3sin2x #?
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How do you find concavity, inflection points, and min/max points for the function: #f(x)=x(x^2+1)# defined on the interval [–5,4]?
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How do you find the absolute max and min for #f(x) = 5 + 2x# on [-2,1]?
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How do find the derivative of #y = cos^2 (x^2 - 3x)#?
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Question #bfcde
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What is the integral of a quotient?
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Question #8aca8
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What is the radiant exitance?
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What is the integral of #ln(x)/x#?
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What is the limit as x approaches infinity of #cos(1/x)#?
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What is the integral of dy/dx?
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What is the limit as x approaches 0 of #sin(3x)/(5x^3-4x)#?
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What is the limit as x approaches 0 of #sin(3x)/(2x)#?
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What is the length of the shorter diagonal of the parallelogram if the lengths of the two adjacent sides of parallelogram ABCD are 8 and 14 units respectively and if the degree measure of the included angle is 60º?
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Why is the unit circle and the trig functions defined on it useful, even when the hypotenuses of triangles in the problem are not 1?
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Why does electric potential increase with distance?
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Question #49736
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Why is diffraction grating more accurate than double slits to measure the wavelength of light?
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What quadrant does #cot 325^@# lie in and what is the sign?
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How do you graph #y=-3tan(x-(pi/4))# over the interval #[-pi, 2pi]#?
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Question #b08a5
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Question #df048
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Question #dea13
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If a light passes through two Polaroid filters whose polarization axes are parallel to each other. What would be the result?
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How do you know what trigonometric function to use to solve right triangles?
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Question #517b1
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What are some examples of fluid flow?
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How do you use the law of cosines to find the area of a triangle?
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How do you use the sum and difference identities to find the exact value of cos 75?