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a pipe with both ends open has a fundamental frequency of 510 hz you cover one end of the pipe what is the new
a new record for running the stairs of the empire state building was set on 3 february 2003 the 86 flights with a total
two speakers emit sound of identical amplitude and frequency in phase with each other the frequency is 415 hz if the
an inductor has inductance of 0400 h and carries a current that is decreasing at a uniform rate of 25 mas determine the
after hitting a long fly ball that goes over the right fielders head and lands in the outfield the batter decides to
two identical ions are separated by a distance of 633times10-10 m and exert an electrostatic force of 466times10-8 n on
at t10 second a 085 kilogram object is falling with a speed of 60 meter per second at t20 second it has a kinetic
a particle in an infinite one-dimensional square well with walls located at x 0 and at x a has a wave function given
a 014 kilogram pinecone falls 16 meter to the ground where it lands with a speed of 13 meter per secondpart a find with
a substance has a density of 500 kgm3 a cardboard box has dimensions 02 m x 04 m x 05 m obtain the mass of the box full
cranes utilize a system of two pulleys to provide mechanical advantage which reduces the force they need to apply to
a boy has a height of 1 m and a mass of 20 kilogram he drinks a magic potion and becomes a giant of 4 m in height but
electric current is charge flowing per unit time if we increase the kinetic energy of the photoelectrons with
a uniform disk of mass 2 kilogram is spinning on its vertical axis of symmetry remember the rotational inertia of a
a wheel is spinning freely on its axis with an angular velocity w of 1 rads it has a kinetic energy of 10 joule find
a long wire carrying a 590a current reverses direction by means of two right-angle bends as shown in the figure figure
a meter rule of no mass hangs from its mid-point it has a 1 kilogram mass hanging from the 25 centimeter find at what
a proton with a kinetic energy of 43 10-16 j moves perpendicular to a magnetic field of 26 t what is the radius of its
a 95-g stone is whirled in a horizontal circle on the end of an 85-cm-long string the stone takes 12 s to make each
a 2 m long see-saw is balanced in the middle a 10 kilogram boy sits at one end a girl sits on it 03 meters away from
a wheel spins on its axis with a angular velocity of 2 rads a torque is applied to speed to wheel up and this torque
an object experiences a constant acceleration of 30 ms2 along the x axis for 8 s attaining a velocity of 16 ms in a
a car with wheels of radius 10 centimeter is traveling at 5 meter per second find how many revolutions per second does
a coil of nichrome wire is 270 m long the wire has a diameter of 0440 mm and is at 200degc1 if it carries a current of
you tackle a 100 kilogram football player running at 5 meter per second and he stops over a time period of 4 seconds