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A meter stick lies along the x axis of the lab frame and approaches the origin with velocity ß. A thin plate parallel to the xz laboratory plane moves upward in the y direction with speed ßy. The plate has a circular hole with a diameter of one meter centered on the y axis. The center of the meter stick arrives at the lab frame origin at the same time in the lab frame as the rising plate arrives in the y=0 plane. Since the meter stick is Lorentz contracted in the lab frame it will easily pass through the hole in the rising plate. Therefore there will be no collision between the meter stick as each continues its motion. However, someone who objects to this conclusion can make the following argument: In the rocket frame in which the meter stick is at rest, the meter stick is not contracted, while in this frame the hole in the plate IS contracted. Therefore, there must be a collision between the meter stick and the plate.
Air enters an insulated turbine operating at a steady state at 5 bar, 1000K and exits at 1 bar, 500K. Neglecting KE and PE changes and assuming ideal gas behavior, find whether the expansion is internally reversible, irreversible or impossible.
Consider a plot of the displacement on the y-axis vs applied forceon the x-axis for an ideal elastic spring. The scope of the curve would be:
Five charges are placed in a closed box. Each charge (except the first) has a magnitude which is twice that of the previous one placed in the box. All charges have the samesign and (after all the charges have been placed in the box) the net electr..
A disk of mass M is free to rotate about a fixed horizontal axis. What is the downward acceleration of the mass
A projectile is launched at an angle of 60.3 degrees with the horizontal (x axis) at some unknown velocity. What is the object's vertical displacement at this time in meters
Two masses, m1= 3.32 kg and m2= 5.00 kg are on a horizontal frictionless surface and they are connected together with a rope, What is the acceleration of the whole system, when this maximum force is appiled
A 11.1-kg object hangs in equilibrium at the end of a rope (taken as massless) while a wind pushes the object with a 60.3-N horizontal force. find the rope\'s angle from the vertical
Suppose that 250g of water at 85oC is mixed with 25g of ice at 0oC in an insulated container of negligible heat capacity. How much of the ice has melted
A pinhole camera is made from an 82cm -long box with a small hole in one end, how tall will the image of the person on the film be
Draw the displacement for the father and son.
You need to make a series ac circuit having a resonance angular frequency of 1475 rad/s using a 146 Omega resistor, a 10.5 mF capacitor, and an inductor. What should be the inductance of the inductor
The total charge that an automobile battery can supply without being recharged is given in terms of Ampere-hours. If each of the two headlights draws 1.7 A , find out the time before your battery is "dead"
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