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a man pulls a toboggan for a distance of 500 meter along the snow with a rope directed 300 degree above the snow the
a 713 kilogram elevator starts from rest it moves upward for 359 second with a constant acceleration until it reaches
calculate how fast must a centrifuge rotate if a particle 60 centimeter from the axis of rotation is to experience a
if a force of 2 newton is needed to open a 92 centimeter wide door when applied at the edge opposite the hinges
a 1920 kilogram car accelerates uniformly from rest to 121 ms in 258 secondcompute the work done on the car in this
in one hand you hold a 011 kilogram apple in the other hand a 024 kilogram orange the orange and apple are separated by
in a large centrifuge used for training astronauts and pilots a chamber is fixed at the end of a rigid arm that rotates
a tennis ball has a velocity of 26 ms and a mass of 561 gram after the ball hits a tennis racket the velocity becomes
an electric drill draws 37 a rms at 140 v rms if the current lags the voltage by 40 degree what is the drills power
an lc circuit includes a 0010 microf capacitor and a 400 microh inductora if the peak voltage on the capacitor is 190
a series rlc circuit has r 70 ohm l 22 mh and a resonant frequency of 40 khza estimate what is the capacitanceanswer
a 120 volt battery remains connected to a parallel plate capacitor with a plate area of 0314m2 and a plate separation
a concrete highway curve of radius 800 meter is banked at a 130 degree angle determine what is the maximum speed with
a rocket of mass 395 times105 kilogram is in flight near earths surface its thrust is directed at an angle of 657
two resistors 420 ohm and 720 ohm are connected in parallel the current through the second resistor is 430 ampa find
the current in a 44 ohm resistor is 010 amp this resistor is in series with a 28 ohm resistor and the series
a charged particle moves during a velocity selector at a constant speed in a straight line the electric field of the
a non-relativistic electron and a non-relativistic proton of rest masses me and mp have equal kinetic energies what is
part of a roller-coaster ride involves coasting down an incline and entering a loop 910 m in diameter for safety
the circuit in figure 32-34 consists of switch s a 200momega resistor a 120v ideal battery and an air filled capacitor
a weightless spring of force constant 250 ncm is 150 cm long when nothing is attached to it it is now utilized to pull
imagine for a moment that the moon is held in its orbit about the earth by electrical forces rather than by gravitation
two protons approach each other by different speeds a will the magnitude of the total momentum of the two-proton system
the figure below shows two points in an e-field point 1 is at x1 y1 54 in m and point 2 is at x2y2 1212 in m the
a total charge of 0003 c is shared with two metallic spheres a and b of radii 5 cm and 2 cm that are connected with a