Potential difference between the ends of the wire
The electric field inside a 20.91 cm long copper wire is 0.071 V/m. What is the potential difference between the ends of the wire?
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R-134a is flowed into an insulated 0.2m3 initially container from a line at 500kPa, saturated vapor until the flow stops by itself. Find the total irreversibility in the process.
When he is at the goal line and moving horizontally at 6.0 m/s, he is met in midair by an opposing 90 kg linebacker who is initially moving at 4.0 m/s in the opposite direction. The two meet in a head-on collision at the goal line. What is the col
Car A starts from rest at t=0 and travels along a straight road with a constant acceleration of 6ft/s2 until it reachers a speed of 80 ft/s2 . Afterwards it maintains this speed.
Your manager, who just read an abridged version of a statistics book, wants you to test hypotheses for the difference in two population means. The sample sizes for each are 23.
A roulette wheel has 38 slots in which the ball can land. Two of the slots are green, 18 are red, and 18 are black. The ball is equally likely to land in any slot. The roulette wheel is going to be spun twice and the outcomes of the two spins are
Tests reveal that a normal driver takes about 0.75s before he or she can react to a situation to avoid a collision. It takes about 3s for a driver having 0.1% alcohol in his system to do same.
Calculate the density, in gram/cm3, of a perfect aluminum crystal assuming that that there are no vacancies. Give an answer with at least four significant figures.
Suppose it has been observed that touchdowns scored in a game by your favorite football team are Poisson random variables. The rate is .. = 4 per game. We know from the lecture that the time until the next touchdown follows an exponential distribu
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