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a strong electromagnet produces auniform magnetic field of 160 t over a cross-sectional area of0200 m2 we place a coil
a steel ball of mass 076 kg strikes a brick wall in anelastic collision incomming it strikes the wall moving 63
a sports car traveling along a straight line increases its speedfrom 197 mih to 597 miha what is the ratio of the final
a pair of slits separated by 0180 mm is illuminated by light having awavelength of lambda 613 nm an interference
a 5 gram bullet moving with an initial speed of 400ms is firedinto and passes through a 1 kg block the block initially
a series rc circuit has a time constant of 10snbsp the battery has a voltage of 50 v and the maximum current just after
when a lightning bolt strikes a lightning rod its current istypically conducted to the ground by a ground rod when the
the drawing shows six point charges arranged in a rectanglethe value of q is 90 muc and the distance d is 013 m find
the hydrogen spectrum has a red line at 656 nm and a violet line at434 nm what angular separation between two spectral
why youngs double-slit experiment was considered back in the early 1800s to be definite proof both for a wave model of
a conducting rod length 80 cm rotates at a constant angularrate of 15 revolution per second about a pivot at one end
a transformer consisting of two coils wrapped around an iron core is connected to a generator and a resistor as shown
a vertical ideal spring is mounted on the floor and has a springconstant of 170 nm a 070-kg block is placed on the
a horizontal force is applied to a block to move it up theramp by 10 m along the ramp which raised the block vertically
a 015 kg mass is attached to a vertical spring and descends adistance of 46 cm below its original position it thenhangs
a fully charged capacitor with a voltage of 270 kv is discharged through a resistora what is the voltage across the
a plane is pointed in the positive x direction and isflying with an speed of 200 0 0 ms relative tothe air however due
electronic types neglect the force of gravity on electrons to see why compute the force of earthrsquos gravity on an
a 0726-kg rope 200 meters long lies on a floor you grasp one end of the rope and begin lifting it up upward with a
the heels on a pair of womens shoes have radii of 05 cm at the bottom if 30 of the weight of a woman weighing 480 n is
a 0400kg glider is moving to the right on a frictionlessshyhorizontal air track with a speed of 0750ms when it makes
you dip your finger into a pan of water twice each secondproducing waves with crests that are separated by 020 ma
a proton enters a uniform magneticfield that is at a right angle to its velocity the field strengthis 090 t and the
a plastic film with index of refraction 189 is put on the surface of a car window to increasethe reflectivity and thus
you wish to whirl a pail of water in a vertical circle withoutspilling any drop of its contents if your arm is 09m