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a 65-g ice cube at 0degc is placed in 887 g of water at 25degc what is the final temperature of the
a 22 a current is flowing in a 18 h inductor a switch is opened interrupting the current in 20 ms find the induced emf
a round pipe of varying diameter carries petroleum from a wellhead to a refinery at the wellhead the pipes diameter is
youre a safety engineer reviewing plans for a universitys new high-rise dorm the elevator motors draw 20 a and behave
an arrow is shot at an angle such that its horizontal velocity is 40 ms and its vertical velocity is 20 ms find the
suppose that the amount of heat removed when 16 kg of water freezes at 00 oc were removed from ethyl alcohol at its
explain why hydrogen fluoride hf has a higher boiling temperature that hydrogen chloridehcl even though hf has a lower
write out maxwells equations component wise in cylindrical coordinates in their most general form remember that each
a solid uniform disk of radius 0250 m and mass 616 kg rolls down a ramp of length 460 m that makes an angle of 16deg
from roger ordidge with alterations the magnetic field can store energy but it can do 110 work therefore another agency
the oscillations of an actual spring-block system slowly reduce in amplitude and finally the system comes to a halt
evangelista torricelli was the first person to realize that we live at the bottom of an ocean of air he correctly
an object is projected horizontally what are the three factors which determine the horizontal distance traveled how
a guitars e-string has length 649 cm and is stretched to a tension 846 n it vibrates a fundamental frequency of 32959
two forces f1 -840i 410j and f2 710i 530j are acting on a mass of m 420 kg the forces are measured in newtons what
a gas sample is known to be a mixture of ethane and butane a bulb of 2000 cm3 capacity is filled with the gas to a
when a nucleus of 235u undergoes fission it breaks into two smaller more tightly bound fragments calculate the binding
a glass bulb of volume 0136 l contains 07031 g of a gas at 759 torr and 995 degrees c what is the molar mass of the
a very light spring of equilibrium length 100 cm is hung from the ceiling with a 040 kg block at its end when the
two samples of oxides of carbon were analyzed and one was found to contain to contain 360 g of c and 320 g of o the
you stick two blocks together with velcro the manufacturer rated the velcro as needing a force of 50n to separate the
an engine has a hot reservoir temperature of 969 k and a cold reservoir temperature of 602 k the engine operates at
tension is maintained in a string by attaching one end to a wall and by hanging a 206 kg object from the other end of
how many minutes does it take light from the sun to reach earththe distance from the sun to earth is 93 million mithe