Recent content by alexwaylo2008

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    How High Can a Projectile Go When Launched at 10 km/s?

    Gravitational potential energy. Please help! Homework Statement A projectile is launched from Earth's surface at a speed of 10 km/s. Find the maximum height it reaches. Homework Equations change in U = -change in K U = -GM/r The Attempt at a Solution GMm/r = 1/2mv^2...
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    Calculating Work Needed to Stop a 1100 kg Car | KE=1/2mv² | 118km/h Speed

    do KE = 1/2 (1100 kg)(118*(1000/3600))^2
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    Hard gravitational force problem

    Hard gravitational force problem! Homework Statement [/b] Derive an expression for the gravitational force between a sphere with mass m and another sphere with mass M and radius R, IF the sphere of mass M has a spherical hollow inside which touches the surface of the sphere and the center of...
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    Poison in cellular respiration.

    When a poison such as cyanide blocks the electron transport chain during cellular respiration, glycolysis and the krebs cycle soon grind to halt as well. Which of the following is the best explanation for this? a) A high level of NADH is present in the cell. b) the uptake of oxygen stops...
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    Cellular respiration weird question.

    Humans oxidize glucose in the presence of oxygen. For each mole of glucose, 686 Kcal are realeased. This is true whether the glucose is oxidized by cellular respiration or burned in air. So why don't humans spontaneusly combust?
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