Recent content by Momentum09

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    Isomerization of dimethyl maleate to dimethyl fumarate

    Homework Statement Propose the mechanism through which dimethyl maleate convert to dimethyl fumarate. The Attempt at a Solution I think free radical bromination reaction plays a role here, but I'm not sure how. We first get two bromine radicals, one of which attacks the double bond in...
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    Integration word problem

    Homework Statement In a West Texas school district the school year began on August 1 and lasted until May 31. On August 1 a Soft Drink company in- stalled soda machines in the school cafeteria. It found that after t months the machines generated income at a rate of f(t) = 500t/ (5t^2 +...
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    Hemoglobin binding

    Homework Statement I was given the oxygen binding curves for human and crocodile hemoglobins, with the crocodile having a higher affinity for oxygen at p50. My questions are, 1) Crodocile hemoglobin does not bind BPG. Instead, deoxyhemoglobin preferentially binds to HCO3-. How does...
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    Hemoglobin binding

    I was given the oxygen binding curves for human and crocodile hemoglobins, with the crocodile having a higher affinity for oxygen at p50. My questions are, 1) Crodocile hemoglobin does not bind BPG. Instead, deoxyhemoglobin preferentially binds to HCO3-. How does bicarbonate binding affect...
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    Area between a function and its tangent

    Homework Statement Find the area of the region bounded by the graph of f(x) = 4x^2, the tangent line to this graph at P(2, f(2)), and the x-axis Homework Equations Integral of [f(x)-g(x) dx] The Attempt at a Solution I first tried to find the equation for the tangent line The...
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    Area between two curves

    Homework Statement Compute the area between the graphs of f(x) = 8sin(2x) and g(x) = 5sin(x)+3sin(2x) on the interval [0,pi/2] Homework Equations Area = Integral of [f(x)-g(x)]dx The Attempt at a Solution I first did f(x) - g(x) = 5sin(2x)-5sin(x)...after integrating, I got...
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    Simple Harmonic Motion

    When there is not air resistance, potential energy is completely transformed into kinetic energy with each successive period. However, when air resistance is present, a fraction of the energy is lost and cannot be converted into kinetic energy.
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    Simple Harmonic Motion

    Homework Statement I'm given the position vs. time, velocity vs. time, acceleration vs. time, and energy vs. time graphs for a simple harmonic motion, and I want to know what would happen to those graphs if air resistance is included? Homework Equations N/A The Attempt at a Solution...
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    Newton's Second Law of Rotation

    Homework Statement We have a rigid bar (length L) with an axis of rotation through the center of the bar. The bar is attached to a pulley with radius Rp at the axis of rotation. Two lead weights (mass M) can be screwed on the bar at equal distances R from the axis of the pulley. In each trial...
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    Angular frequency

    Homework Statement A uniform disk of radius 1.4m and mass 2.6kg is suspended from a pivot 0.35m above its center of mass. Find the angular frequency w for small oscillations. Homework Equations w = 2 x pi x f = sqrt (k/m) The Attempt at a Solution Is this the equation I would...
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    Amplitude of spring

    I got the answer. :)
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    Amplitude of spring

    Homework Statement A block of mass 0.28kg is attached to a spring of spring constant 12N/m on a frictionless track. The block moves in simple harmonic motion with amplitude 0.2m. While passing through the equilibrium point from left to right, the block is struck by a bullet, which stops...
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    Angular Momentum of a conical pendulum

    Homework Statement A small metallic bob is suspended from the ceiling by a thread of negligible mass. The ball is then set in motion in a horizontal circle so that the thread describes a cone. Given: Length of string = 2.8m Angle between string and vertical: 21 degrees...
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    Rolling/Angular Momentum

    but how do you find the moment of inertia for the putty? is it just MR^2?
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    Rotational motion of a uniform solid disk

    I got the answer; there was something wrong with my calculation. Thank you for your help! :)
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