A ping-pong ball of mass 4 gm and traveling with a velocity
A ping-pong ball of mass 4 gm and traveling with a velocity of 4 m/s collides with stationary tennis ball of mass 5 gm. Calculate the magnitude of the velocity of the tennis ball after the collision, assuming the collision is elastic.
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The decomposition of hydrogen is a first order reaction with a rate constant of 2.7 x 10^5s^-1 at 25 C. Assuming the initial concentration of H2O2 is 0.75 M. Determine (a) the concentration of H2O2 after 1.5 h, and (b) the time (in h) or the conce
find the complete functions, p(t) and w(t) supplied by the element, not just a number, and graph p(t) and w(t). Choose appropriate intervals of time for your graphs. Assume that both v(t) and i(t) are zero for t<0.
Prepare financial statements in proper form for SCI, including a non-consolidated statement of financial position, a statement of comprehensive income and a statement of changes in equity. Do not prepare a statement of cash flows.
A block of mass 2.0 kg is attached to a horizontal spring that has a force constant of 1.70 103 N/m, Find the work done by initially compressing the spring
A ping-pong ball of mass 4 gm and traveling with a velocity of 4 m/s collides with stationary tennis ball of mass 5 gm. Calculate the magnitude of the velocity of the tennis ball after the collision
In an investigation of the electron absorption spectrum of a particular element, it is found that a photon having wavelength of 500 nm provides just enough energy to promote an electron from the second quantum level to the third. What is the energ
The lamp is then inserted in a DC circuit and it is noticed that as the voltage increases the resistance also increases. How do you explain this apparent contradiction with Ohm's law Why does the lamp resistance increase with voltage
How many volts must be applied to a 3- ohm resistor to result in a power dissipation of 752W 3) A 0.27-k ohm resistor is rated 2W. Compute the maximum voltage that can be applied and the maximum current that it can carry without exceeding it
A ray of light passing through air is incident on a piece of quartz (n=1.46) at an angle of 25 degrees. Calculate the deviation d of the ray as it emerges back into the air
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Stephen Douglas accused Abraham Lincoln of wanting to "universalize" his anti-slavery policy, which was certain to lead to political violence and civil war.
In her 1970 testimony before Congress, Gloria Steinem lays out the reasons for the Equal Rights Amendment (ERA), which would require completely
Martin Luther King is rightly celebrated for his role in the Civil Rights movement of the early 1960s. But we often praise him in contemporary terms
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Discussion questions (answer one). Be sure to relate your answer to Tocqueville's Democracy in America (pp. 38-44; 68-73)
Alexis de Tocqueville's Democracy in America, and ask: "What is Tocqueville's greatest lesson on citizenship and self-government?"