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a clear crystal ball of diameter 10 cm is made from solid glass of index of refraction 15 a fortune teller looks
hearing the siren of an approaching fire truck you pull over to the side of the road and stop as the truck approaches
in a pig-calling contest a caller produces a sound with an intensity level of 80 db find how many such callers would be
a 45-90-90 prism has an index of refraction of 15 and is immersed in water of index 133a what is the critical angle for
two steel guitar strings have the equal length string a has a diameter of 060 millimeter and is under 450 newton of
an open-ended organ pipe has a length of 05 m if the speed of sound in air is 345 ms find a the pipes fundamental
two equal point charges q 450 x 10-6 c are fixed at opposite corners of a square whose sides have a length of 0390
a long rope is stretched out horizontally among two students the student on the left moves his hand up and down
a 41 kilogram bucket of water is raised from a well by a rope if the upward acceleration of the bucket is 22 ms2 obtain
a boat lost in the fog moves towards an unseen cost line at 10 meter per second directly in their path on land is a
a projectile is launched vertically with an initial speed of 3 kms from the surface of a planet radius 15 x 106 m the
a mass of m is suspended from one end of a string the total length of the string is 10 m and its mass is 5 g the length
a 250 x 10-6 f capacitor is charged to 754 v and a 680 x 10-6 f capacitor is charged to 563 volt these capacitors are
an electron acquires 100 fj of kinetic energy when it is accelerated between two parallel plates at a distance 1
a stream iron draws 60a from a 120-v line a how many joules of internal energy are produced in 20 min b how much does
a rocket-powered hockey puck has a thrust of 25 n and a total mass of 10 kg it is released from rest on a frictionless
a proton with mass 167 x 10-27 kilogram and charge 16 x 10-19 c is sent with velocity 71 x 104 meter per second in the
two resistors are connected in parallel across an ideal 120 v battery resistor a has a value of 24 and resistor b
in a certain reference frame there is a uniform electric field e00e where e 100 nc and no magnetic field what is the
a satellite is located in orbit 840 x 105 meter above the surface of the planet jupiter jupiter has a mass of 190 x
two 15 volt batteries connected in series to a 5 ohm resistor produce a 07 amp current evaluate the internal resistance
1 compute diameter of a 5 meter long copper wire when its resistance is 001 ohm2 determine the maximum voltage that can
a co-axial cable is simply a conducting cylindrical shell which surrounds a line conductor suppose the outer shell has
a mass of 175 gram is located on the end of a spring of unknown spring constant the spring is stretched beyond
1 magnitude of force exerted by 1nc charge is 2 newton compute the distance between the charges2 an electron