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A person reaches a maximum height of 55cm when jumping straight up from a crouched position.During the jump, the person's body from the knees up uses a distance of around 45cm.(Assume the entire body rises this much during jump).
A) What is the initial speed with which the Pearson leaves the ground to reach a height of 55cm?
B) In terms of the jumper's weight, what force does the ground exert on him or her?
a person ate 0.144 pound of cheese an energy intake of 1150 kj. suppose that none of the energy was stored in his body.
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What volume in liters of 8.00×10-2 M KH2AsO4 contains 6.20 g KH2AsO4?
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question find the adiabatic flame temperature in the complete combustion of propane c3h8 entering at 2.5 bars and 25 c
find the mass of the sugar c6h12o6 required to produce 1.82 l of carbon dioxide gas at stp from the
the activation energy for a reaction anbsp----gt b is 114.0 kjmol. if a catalyst increases the rate of reaction by a
describe and explain the possible effect on your results of the following experimental errors or variations. in each case, specify the component(s) whose percentage(s)
A student observed the melting point of 4-methoxychalcone to be 63-70oC. Which of the following is (are) plausible explanation for this observation
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Calculate the energy of a photon of wavelength 11.56 meters. (Planck's constant is 6.626 x 10-34 joule seconds; the speed of light is 2.998 x 108 m/s)
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