Physics, 10.12.2021 14:00 josued123321
Part 1: Ballistic Pendulum Experiment
Using a balance, determine the mass of the ball and basket of the ballistic pendulum. Fire the
ballistic pendulum and measure the maximum height the pendulum reaches. Use the
conservation of energy (initial KE+ initial GPE = final KE+ final GPE, KE = 12mv; GPE = mgh)
to calculate the initial speed of the pendulum after the ball has collided with the pendulum
basket. Next, use the conservation of momentum (total initial p = total final p, p= my) to
determine the initial speed of the ball before it collided with the pendulum basket.
Answers: 1
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Two solutions of the same uv-absorbing molecule were analyzed by uv-vis spectroscopy on the same instrument using 1 cm pathlength cells. use data from the table to calculate by what percentage the concentration of solution b is compared to that of solution a.sample absorbance at 315nm a 0.45 b 0.80
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When a lead acid car battery is recharged by the alternator, it acts essentially as an electrolytic cell in which solid lead(ii) sulfate is reduced to lead at the cathode and oxidized to solid lead(ii) oxide at the anode. suppose a current of is fed into a car battery for seconds. calculate the mass of lead deposited on the cathode of the battery.
Answers: 3
Part 1: Ballistic Pendulum Experiment
Using a balance, determine the mass of the ball and basket o...
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