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the maximum pressure that can be obtained in your local mechanics hydraulic pump is 20 x 105 pa the piston has a mass
find the force exerted by reflecting sunlight off a reflecting aluminum sheet in space if the area normal to the
the period of a particular satellite is exactly 24 hours how high above the surface of the earth is it orbiting the
you are standing on the surface of a small spherical moon whose radius is 630 x 104 m and mass of 800 x 1018kg an
a cd-rm starts from the rest and undergoes uniform angular acceleration until it reaches 26000 rpm in 025s though what
an attacker at the base of a castle wall 365 m high throws a rock straight up with speed 740 ms from a height of 155 m
collectible coins are sometimes plated with gold to enhance their beauty and value consider a commemorative
a 133kg dense mass is on the end of 450m stringa what would be the period of the pendulum on earthb if the mass was
a carnot efficiency engine operating between a reservoir of liquid mercury at its melting point and a colder reservoir
a girl whirls a stone in a horizontal circle of radius 1 m at a height of 15 m above the ground the string breaks and
a simple pendulum has a length of 080 m and a bob of mass 020 kg it is initially displaced to an angle of 18 degrees
if the x position of a particle is measured with an uncertainty of 100times10-10 m then what is the uncertainty of the
a if an electron makes a transition from the n 5 bohr orbit to the n 2 orbit determine the wavelength of the photon
ultraviolet light is incident normally on the surface of a certain substance the binding energy of the electrons in
when light of wavelength 380 nm falls on a cesium surface electrons having a maximum kinetic energy of 113 ev are
a meterstick moving at 0931c relative to earth approaches an observer at rest with respect to earth assume the long
light enters a substance from air at 30 degrees to the normal it continues through the substance at 23 degrees to the
a solenoid is to have an inductance of 0295 mh a cross-sectional area of 591 x 10-4 m2 and a length of 349 cma how many
consider a camera that moves its lens back and forth to focus on objects near and far as an object approaches what
an ac generator is to have a maximum output of 318 v each coil has an area of 0137 m2 and a resistance of 169 and
a transformer has 330 primary turns and 1340 secondary turns the input voltage is 120 v and the output current is 150 a
a 500-turn solenoid 25 cm long has a diameter of 25 cm a 10-turn coil is wound tightly around the center of the
what is the velocity of a beam of electrons that go undeflected when passing through perpendicular electric and
a 126 v battery is in series with a resistance of 0324 ohms and an inductora after a long time what is the current in
in a youngs double slits experiments the interference patterns are shown on the screen1 what is path difference between