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a proton is shot at 50x107 ms toward a gold target thenucleus of a gold atom with a mass 197 times that of the
a child pedals a tricycle giving the driving wheel an angular speed of 0403 revs if the radius of the wheel is r 0360 m
suppose the car on the 30 degree angle accelerating up and down theincline how would this affect the experimental
an organ pipe open at both ends has a harmonic with afrequency of 416 hz the next higher harmonic in the pipe has
the power rating of a 1000-w heater specifies the power consumed when the heater is connected to an ac voltage of 120 v
you are watering your lawn with a hose when you put your finger over the hose opening to increase the distance the
a physics student is standing on an initially motionlessfrictionless turntable with rotational inertia 031kgmiddotm2
a 363kg mass slides on a frictionless floor with a speed of 124ms the mass strikes and compresses a spring with a force
a box of weight w is sliding down a plane that is frictionless and inclined at angle theta above the horizontal what
the left face of a biconvex lens has a radius of curvature of 115 cm and the right face has a radius of curvature of
a 20 kg baseball bat 12 meters long is supported at bothends one end pushes upwards with a force of 6 newtons what is
a rider sits on a bicycle exercise machine and pushes downon the pedal with a force of 200 newtons through a
what is the resistance of a lightbulb that has a rating of115 w assume the lightbulb is designed for use in an ac
a baseball m 145 g traveling40 ms moves a fielders glove backward15 cm when the ball is caught what was the average
a ball is suspended from 30 m long cable that makes a 30degree angle with vertical ball is released and swings down
two flat surfaces are exposed to a uniform horizontalmagnetic field of magnitude 058 t the first surface is tilted atan
a student sits on a rotating stool holdingtwo 5 kg objects when his arms are extendedhorizontally the objects are 09 m
a mass spectrometer has an adjustable magnetic field when themagnetic field is 2000e-2 t a singlyionized hydrogen atom
an arrow is shot horizontally from a cliff the cliff is 4217 m above the ground the arrow left the cliff with a speed
a ball is thrown horizontally from the window of a building with an initial velocity of 121 mihr and lands 943 m from
the siren of a police car at rest emits a predominantfrequency of 1600 hz and the police car is overtaking you from
calculate the concentration in molesm3 of oxygen in air 21oxygen assuming it acts as an ideal gas at 21oc oxygen
an electric heater is rated at 1300 w a toaster is rated at 1150w and an electric grill is rated at 1530 w the three
a lawn roller is pushed across a lawn by a force of 115newtonsalong the direction of the handle which is225o above the
a very long straight wire carries a current of 017 a this wire is tangent to a single-turncircular wire loop that also