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mechanical advantage the pulley system shown in the figure is used to lift a 52- crate note that one chain connects the
a certain parallel-plate capacitor is filled with a dielectric for which 70 the area of each plate is 0041 m2 and the
jim paddles a canoe across a river that is 20 meters wide in 20 minutes uopon reaching the other side he realizes that
explain why the theorem of relativity predicts that no massive particle can be accelerated unto or beyond the speed of
a ramp inclined at 600 degrees with respect to the horizontal rests on a floor the mass of the ramp is 10kg and the
a satellite has a mass of 5950 kg and is in a circular orbit 460 105 m above the surface of a planet the period of the
two large parallel conducting plates are 97 cm apart and have charges of equal magnitude and opposite sign on their
a satellite is in a circular orbit about the earth me 598 1024 kg the period of the satellite is 240 104 s what is the
at each point on the surface of the cube shown in fig 23-27 the electric field is parallel to the z axis the length of
in the series rlc circuit which consists of a 150-ohm resistor a 127x10-6 f capacitor and a 0035 h inductor 600hz power
an electron is released from rest at a perpendicular distance of 93 cm from a line of charge on a very long
space vehicles traveling through earths radiation belts can intercept a significant number of electrons the resulting
a shell is shot with an initial velocity of 29 ms at an angle of 0 62deg with the horizontal at the top of the
a 1500 car traveling at 11 suddenly runs out of gas while approaching the valley shown in the figure the alert driver
block 1 of mass 970 moves along a frictionless air track with speed 190 it collides with block 2 of mass 150
olaf is standing on a sheet of ice that covers the football stadium parking lot in buffalo new york there is negligible
a spaceship of mass 220times106 is cruising at a speed of 540times106 when the antimatter reactor fails blowing the
two ice skaters are gliding together along the ice both moving at a constant velocity sliding without exerting a force
a racetrack has the shape of an inverted cone as the drawing shows on this surface the cars race in circles that are
a 109-microf capacitor is charged by a 310-v power supply the fully charged capacitor is then discharged through a
on a clear day at a certain location a 150-vm vertical electric field exists near the earths surface at the same place
a 93-v battery a 504- resistor and a 109-h inductor are connected in series after the current in the circuit has
at the end of a factory production line boxes start from rest and slide down a 30 degrees ramp 54 m long if the slide
the current in a 800-mh inductor changes with time as i 300t2 700t where i is in amperes and t is in secondsa find