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the 1994 winter olympics included the aerials competition in skiing in this event skiers speed down a ramp that slopes
the graph shows the net external force component fcos along the displacement as a function ofthe magnitude s of the
a helicopter starting from rest accelerates straight up from the roof of a hospital the lifting force does work in
a fully charged capacitor with a voltage of 120 kv is discharged through a resistora what is the voltage across the
a spacecraft uses the suns radiation for propulsion the suns radiation pressure is 1000 wm2 and the exposedarea of the
on a typical summer day the intensity of the sunlight isapproximately i 1000 wm2 what is the amplitude of the electric
the drawing shows two boxes resting on frictionless ramps onebox is relatively light and sits on a steep ramp the other
the determined wile e coyote is out once more to try to capture the elusive roadrunner the coyote wears a new pair of
a person tuning a piano plays a note and hits a tuning fork atthe same time the fork plays a note of 288 hz if 3 beats
a tuning fork with a frequency of 288 hz d is placed over anopen pipe which has one end submerged in water if the
a student decides to move a box of books into her dormitory room bypulling on a rope attached to the box she pulls with
a 1kg block is attached to a horizontal spring where k 200nm the block is extended 5cm 05m from equilibrium
one component of a magnetic field has a magnitude of0056 t and points along thex axis while the other component has a
a hollow metal sphere has a potential of 360 v with respect toground defined to be at v 0 and has a charge of 59 x10-9
an atwoodrsquos machine consists of two masses m1 and m2connected by a string that passes over a pulley if the pulley
find the flux of earths magnetic field of magnitude 500 x10-5 t through a square loop of area 300 cm2 for the
a magnetic field is perpendicular to the plane of asingle-turn circular coil the magnitude of the field is changingso
a fish takes the bait and pulls on the line with a force of22n the fishing reel which rotates without friction is
a light ray of wavelength 589 nm is incident at an angletheta on the top surface of a block of polystyrene surrounded
two conductors are made of the same material and have the samelength conductor a is a solid wire of diameter 14
two wire loops are side by side 1 then 2 the current i1in loop 1 is supplied by an external source and is clockwise
a slab of copper of thickness b is thrust into aparallel-plate capacitor of plate area a and plate separation d the
while in europe a tourist hears on the radio that the temperature that day will reach a high of 19c what is this
the primary coil of a step-up transformer is connected across the terminals of a standard wall socket and resistor 1
a cube of iron 4cm on a side is floated in a bath of mercury the density of iron is 787 gcm3 what percent of the cubes