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What is the size of an object located at a distance10 km if it has an angular size A of 2 degrees. and Use hubbles law to determine the distance to a galaxy cluster in megaparsecs with a rescession velocity of 14,200 km/sec.
A full can of soda has a mass of 0.412 kg. It contains 3.32 10-4 m3 of liquid. Assumingthat the soda has the same density as water, find the volume ofaluminum used to make the can
A container at 300 K contains H2 gas at a pressure of one atmosphere. At this temperature H2 obeys the Boltzmann distribution. Find to what temperature must the H2 gas be cooled before quantum effects become important
One end of a 0.23-m copper rod by a cross-sectional are a of 1.19*10-4 m2 is driven into the enter of a sphere of ice at 0° C (radius = 0.16 m). The portion of the rod that is embedded in the ice is also at 0° C. The rod is horizontal and its other e..
The highest rotary speed ever attained was 2010 m/s (4500 mph). The rotating rod was 15.2 cm (6 in.) long. What is the period of rotation of the rod
A modified oscilloscope is utilized to perform an electron interference experiment. Electrons are incident on a pair of narrow slits 0.0720 µm apart. The bright bands in the interference pattern are separated by 0.400 mm on a screen 24.0 cm from the ..
A large grinding wheel in the shape of a solid cylinder of radius 0.330 meter is free to rotate on a frictionless, vertical axle. Compute what is the mass of the wheel
A football is kicked at ground level with a speed of19.2 m/s at an angle of 34.8 degree to the horizontal. Evaluate how much later does it hit the ground
A uniform rod of mass 120 gram and length 50 centimeter rotates in a horizontal plane about a fixed, vertical, frictionless pin through its center. Determine the angular speed of the system at the instant the beads reach the ends of the rod
Two small-sized objects are placed on a uniform 9.00 {\rm kg} plastic beam 3.00 {\rm m} long, Find the location of the center of mass of this system by setting x=0 at the right end of the beam
A space probe in deep space is moving along the x-axis at a speed of v 0 when it is hit by a meteor. The mass of the meteor is 0.005 times that of the space probe however the original speed of the meteor is 400 times that of the probe.
a parachutist relies on air resistance mainly on her parachute to decrease her downward velocity. she and her parachute
A proton and an Au11+ are moving with equal velocities perpendicular to a uniform magneticfield. The Au11+ has 11times the charge as the proton and has 197times its mass. The ratio of the acceleration of theAu11+ to that of the proton is what?
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