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A) A spacecraft that moves away from the earth with a speed of 0.800c and fires a space probe in the direction of its movement with a speed of 0.650c. What is the velocity of the probe relative to the earth?
B) an exploratory ship attempts to reach the spacecraft traveling at 0.850c relative to the earth. What is the speed of the exploring ship with respect to the spacecraft?
A metal strip 6.11 cm long, 1.26 cm wide, and 0.766 mm thick moves by constant velocity during a uniform magnetic field B= 1.32 mT directed perpendicular to the strip, as shown in Fig.28-37.
Airflow through a long, 0.2 m^2 air conditioning duct maintains the outer duct surface temperature at 10 C. If the horizontal duct is uninsulated and exposed to air at 35 C in the crawl space beneath a home, what is the heat gain per unit length of t..
A train departs at 12:00:00 noon. When you arrive you see the second to last passenger car just started passing in front of you. How late after the train departed did you arrive
Water (density = 1.00 x 103 kg/m3) flows at10.0 m/s through a pipe with radius 0.030 m. What is the radius of the pipe on the second floor
An inductor has a 53.6-? reactance when connected to a 60.0-Hz source. What is the maximum current in the inductor
Does the heat of vaporization of water depend strongly on the relative humidity of the gas into which it evaporates?
Over a time interval of 1.92 years, the velocity of a planet orbiting a distant star reverses direction, changing from +22.2 km/s to -20.5 km/s. Find (a) the total change in the planet's velocity (in m/s) and (b) its average acceleration (in m/s2) du..
Using energy considerations, compute the average force the beam exerts on the pile driver while the pile driver is brought to rest.
A covex lens of focal length 10 cm placed 40 cm in front of aconcave lens of focal length 25 cm.A small object is placed 20 cmin front of the convex lens calculate the location of the finalimage relative to the second lens. Include a ray diagram
Laser light of wavelength 632.8 nm falls normally on a slit that is 0.0250 mm wide. The transmitted light is viewed on a distant screen where the intensity at the center of the central bright fringe is 8.50 W/m2.
In SI units, the electric field in an electromagnetic wave is described by Ey = 100 sin(107x - ?t ). What is the frequency of the EM wave
A ship leaves a harbor and sails at 35.5° to the west of due north. After traveling 425 km, How far north is the ship from the harbor
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