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You are the captain of spaceship A that leaves Earth at t=0traveling at 0.6c. An identical spaceship B, whose captain is yourtwin brother, leaves Earth a time t1 later, according to Earth'stime, traveling in the same direction as you and catches up withyou in 25 years of Earth's time. As your twin brother passes you hetells you that his ship is 50m long but yours is only 40m long.
a) what is the relative speed of one spaceship as seen by the other?
b) What is t1?
c) Which of the captains feels older at this time andby how much?
Two flat surfaces are exposed to a uniform, horizontal magnetic field of magnitude 0.42 T. When viewed edge-on, Determine the area of the first surface
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In a hydroelectric installation, a turbine delivers 1890 hp to a generator, which in turn converts 37.9% of the mechanical energy into electrical energy. Under these conditions,
The coyote starts 42.0 m from the brink of a cliff. The roadrunner zips past him at a speed of 18.0 m/s. What is the acceleration of the coyote
The two spheres are then connected by a thin conducting wire, What is the charge on the first sphere after the two spheres are connected by the wire
What is the tension in (a) the nearer (relative to the person) cable and (b) the farther (relative to the person) cable.
What is the minimum energy that photons must have to produce 59 keV electrons in a Compton scattering
Total internal reflection will occur when the refraction angle is 90' degrees or more. find the angle of incidence at which total interanl refraction in water will occur
What diameter has the tip of the minute hand with 100mil/hr tangential speed? Illustrate what diameter has the tip of the hour hand with 100mil/hr speed?
illustrate what is the magnitude of the normal force exerted on the car by the walls of the cylinder at point A (at the bottom of the vertical circle)?
A man can clearly see an object that is 2.00 m away(or more) without using his eyeglasses. how close can an object be to the eyeglasses and still be clearly seen by the man
A fireman d = 46.0 m away from a burning building directs a stream of water from a ground-level fire hose at an angle of ?i = 33.0° above the horizontal. at what height will the stream of water strike the building
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