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An electron moves in the positivex-direction a distance of 2.35 m in 2.99·10-8s, bounces off a moving proton, and then moves in the opposite direction a distance of 1.55 m in 3.49·10-8s. What is the average velocity of the electron over the entire time interval?
A proton is projected in the positive x direction into a region of uniform electric field Earrowbold = (-5.40 multiplied by 105) i hat bold N/C at t = 0. Determine the time interval over which the proton comes to rest
It was a dark and stormy night, when suddenly you saw a flash of lightning. how far away was the lightning bolt
The proper length of one spaceship is 2.8 times that of another. The two spaceships are travelling in the same direction and, while both are passing overhead, an Earth observer measures the two spaceships to be the same length.
The human lungs can function satisfactorily up to a limit where the pressure dissimilarity between the inside and outside of the lungs is1/19 of an atmosphere. If a diver uses a snorkel for breathing, how far below the water can she swim? Suppose the..
A gas of diatomic molecules is in equilibrium at a temperature of 340 K. Find what is the rms angular speed of the molecules
A neon sign utilizes a step-up transformer to run at 6000 V on the 120 V from the wall outlet. how many turns does the secondary coil have
the clarinet is well modeled as a cylindrical pipe that is open at one end and closed at the other. find the wavelength
If the outside temperature in winter is -5.0°C, and the inside temperature is 17°C, how many Joules of heat will the heat pump deliver to the inside for each joule of electrical energy used to run the unit, assuming an ideal Camot cycle?
Two parallel plates 1.30cm apart are equally and oppositely charged. An electron is released from rest at the surface of the negative plate and simultaneously a proton is released from rest at the surface of the positive plate.
A subway train starts from rest at a station and accelerates at a rate of 1.56m/s2 for 13.7s, Find the total distance covered
A copper rod has a length of 1.7 m and a cross-sectional area of4.1 x10-4 m2. One end of the rod is incontact with boiling water and the other with a mixture of ice andwater. What is the mass of ice per second that melts? Assume that no heat is lo..
A 2.38 mol sample of an ideal gas expands reversibly and isothermally at 278 K until its volume is doubled. What is the increase in entropy of the gas
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