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a starship departs for the triple star system of Alpha/Proxima Centauri which is 4.30 LY from earth. speed of the ship is 0.95C. The crew of the ship zeroes the on-board clocks just as the ship blasts off
a.) what will be the reading of the on-board ship clocks when the ship arrives at its destination?
b.) what will be the reading of the clocks back on earth?
c.) compute the correct reading of the on board clocks as calculated by an astronaut on the ship. Consider time dilation in one case and the Lorentz contraction in the other. Do the two explanations agree?
there are 4 charges located on the corners of a square of side d. q1(top left = +1q) q2(top right= -1q), compute the electric potential at the center of the square
A man with mass m1 = 54 kg stands at the left end of a uniform boat with mass m2 = 174 kg and a length L = 2.6 m. After the man walks to the right edge of the boat, what is the new location the center of the boat
A bomber is flying horizontally over level terrain at a speed of 260 m/s relative to the ground and at an altitude of 2.60 km. At what angle from the vertical was the bombsight set
The amount of heat added is 6.3 kJ, of which one-third is added at constant volume and the remainder at constant pressure. Calculate (a) the energy transfer for each of the components
The ball is in equilibrium, with the thread making an angle of 30.0o with respect to the vertical. The area of each plate is 0.01381 m2. What is the magnitude of the charge on each plate?
A 330-power compound microscope has a 4.9mm focal-length objective lens. If the distance from eyepiece to objective is 12cm, what should be the focal length of the eyepiece
A string requires a 186 N force in order to break. A 1.50 kg mass is tied to this string and whirled in a vertical circle with a radius of 1.90 m. What is the highest speed that this mass can be whirled without breaking the string.
Derive a formula, similar to equation 5.90 which was T-Tnot = (nB*k*Tnot^2)/L for the shift in the freezing temperature of a dilute soution. calculate the freezing temperature of seawater
Assume that light of wavelength 550 nm is being observed. Also suppose that diffraction effects, rather than atmospheric turbulence, limit the resolving power of the telescope. Find the greatest distance that these stars might be from the earth.
The weight of the car is 14 kN. You know three points on the plane, What is the force of friction (Ff=?).
Light of a wavelength 450 nm is incident on a sodium emitter in a photoelectric effect apparatus. What is the cutoff frequency for the emitter
two particles with Q1=50uc and Q2=84uc are initially separated by a distance of 2.3m, what is the change in electric potential energy
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