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define nuclear fission and explain it with the help of the binding energy per nucleon what is the difference between
in 2014 computers are very common in american households this is primarily due to all of the following exceptselect
a double-convex lens of 625 cm focal length is used as a simple microscope if it is held close to the eye to form an
if you toss a coin straight upward while riding in a train where does the coin land when the motion of the train is
the emf of a battery is e 10 v when thebattery delivers a current of 04 a to a loadthe potential difference between
a mass m is attached to a spring of constant k and hung from the ceiling if the mass is held at rest while the spring
suppose the faintest star you can see with a 4-inch telescope has a magnitude of80 what is the magnitude of the
1 is this true or false please explain in paragraph form the four equations of kinematics are not useful in describing
you transfer a one liter of lemonade into a 2-liter size pitcher and the lemonade fills up half the container does the
1 a concave mirror is constructed so that a man at a distance of 26 cm from the mirror sees his image magnified 20
a candle with a flame 16 cm tall is placed 49 cm from the front of a concave mirror a virtual image is formed 10 cm
1 as indicated in the figure below oxygen diffuses to a hot carbon surface on which the following reaction occurs3c
1 two satellites a and b are in different circular orbits about the earth the orbital speed of satellite a is
a capacitor consists of two metallic plates of circular form with radius r the voltage on the capacitor is v and the
a sled with a mass of 20 kg slides across a level mixture of snow and dirt having a coefficient of kinetic friction of
fiber-optic communication came about in the 1970s due to advances in both optical cable and compact lasers capable of
you are 19 m tall and stand 28 m from a plane mirror that extends vertically upward from the floor on the floor 14 min
a 40-kg block slides down an inclined plane that makes an angle of 31deg with the horizontal starting from rest the
a soft tennis ball is dropped onto a hard floor from a height of 160m and rebounds to a height of 122m assume that the
global energy analysisworldwide energy consumption varies dramatically but the impacts are shared by all the most
you wish to buy a motor that will be used to lift a30-kg bundle of shingles from the ground to the roof of a house the
1 many stoplights now have a sensing system based on inductance to determine if a car is waiting at a red light if that
the leader of a bicycle race is traveling with a constant velocity of 115 ms and is 110 m ahead of the second-place
explain charles ofria states that different configurations have different advantages and disadvantages in terms of