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a 085-cm-diameter microscope objective has a focal length of 22 mm it is used in visible light with a wavelength of 538
calculate the acceleration of the system and the tensions in the rope given m2 5kg with the friction coefficient of uk
calculate a the mean potential energy and b the mean kinetic energy of an electron in the ground state of a hydrogenic
the planet neptune is 417times1012 from the earth its diameter is 502times107 m what diameter telescope objective would
in an engine a piston oscillates with simple harmonic motion so that its position varies according to the expression x
a k0 particle at rest decays into a and a the mass of the k0 is 4977 mevc2 and the mass of each pion is 1396 mevc2
a what is the electrical charge of the baryon with the quark composition uu d use the following as necessary e for the
a 1 046-kg satellite orbits the earth at a constant altitude of 101-km a how much energy must be added to the system to
a satellite in earth orbit has a mass of 92 kg and is at an altitude of 204 106 m assume that u 0 as r infinity a
a carnot freezer that runs on electricity removes heat from the freezer compartment which is at -100c and expels it
a 2500ml- flask is initially open to air at 24 celsius and 1 atm pressure its then closed and immersed in boiling water
a man can clearly see an object that is 200 m awayor more without using his eyeglasses if the eyeglasses have a
two capacitors give an equivalent capacitance of 900 pf when connected in parallel and an equivalent capacitance of 170
a solid disk of mass m and radius r is pivoted so that it can rotate about its center the disk is initially at rest a
one billiard ball is shot east at 35 ms a second identical billiard ball is shot west at 21 ms the balls have a
a pendulum clock has an aluminum pendulum exactly 10 m long when the clock is calibrated perfectly by how much is it
a battery is connected in series with a r 031 resistor and an inductor as shown in the figure below the switch is
a 30 kg launching machine fires a 250 gram projectile horizontally at 100 ms this causes the machine to slide backward
a hawk flies in a horizontal arc of radius 144 m at a constant speed 355 ms a find its centripetal acceleration b it
a coin placed 304 cm from the center of a rotating horizontal turntable slips when its speed is 488 cms b what is the
a tightrope walker who weighs 640 n walks along a steel cable when he is halfway across the cable makes an angle of
a man standing in front of a camera the camera lens has a 53 mm focal length how high is the mans well-focused image on
starting from rest a 1000 kg piece of luggage slides 600 m down a rough 30 degree incline the it slides along a
glenn gently pours acetic acid index 127 onto some antimony trioxide index of refraction 235 what angle will glenn find
one cylinder in the diesel engine of a truck has an initial volume of 600 cm3 air is admitted to the cylinder at 30 0c