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a spring is hanging from the ceiling attaching a 700 physics book to the spring causes it to stretch 27 in order to
a walkway suspended across a hotel lobby is supported at numerous points along its edges by a vertical cable above each
a 250 kg block hangs from a spring a 420 g body hung below the block stretches the spring 290 cm farther a what is the
a vacationer floats lazily in the ocean with 95 of his body below the surface the density of the ocean water is 1025
a ladder with a mass of 16 kg is placed on a frictionless vertical wall see fig a 75 kg person climbs up the ladder but
a 565 kg object is released from rest while fully submerged in a liquid the liquid displaced by the submerged object
a spherical balloon is made from a material whose mass is 386 kg the thickness of the material is negligible compared
a force of 150 n is applied to the edge of a disk if the disk has a mass of 075 kg with a radius of 050 m how fast is
the nucleus of an atom consists of protons and neutrons no electrons a nucleus of a carbon-12 isotope contains six
a 5-kg fish swimming 1 ms swallows an absentminded 1-kg fish swimming toward it at a speed that brings both fish to a
a bicycle tire rolls down a 25 m hill and crashes into a car door if the tire has a mass of 125 kg with a 075 m radius
a golf ball of mass 0050 kg is hit off the tee at a speed of 35 ms the golf club was in contact with the ball for find
a ball of mass 025 kg that is moving with a speed of 10 ms collides head-on and elastically with another ball initially
a 25 gram ball is fired horizontally into a 0375 kg catcher arm at rest the catcher arm and ball system swings up to a
a rifle fires a bullet of mass 00350 kg which leaves the barrel with a positive velocity of 304 ms the mass of the
a probe in deep space is infested with alien bugs and must be blown apart so that the icky creatures perish in the
a resistor with r300 and an inductor are connected in series across an ac source that has voltage amplitude 500 v the
one solenoid is centered inside another the outer one has a length of 500 cm and contains 6750 coils while the coaxial
a 099-cm-diameter microscope objective has a focal length of 26 mm it is used in visible light with a wavelength of 532
the eye is a multiple lens system but can be thought of as a single lens system for the purpose of this discussion when
unpolarized light incident through a polarizer passes through a second polarizer placed at an angle theta to the first
a cd has a mass of 17 g and a radius of 60 cm when inserted into a player the cd starts from rest and accelerates to an
light travelling through air enters a certain liquid at an angle of incidence of 43 degrees the refracted ray makes an
unpolarized light passes through a vertical polarizing filter the light then passes through a horizontal filter which
the moon has one fourth of the diameter of the earth with just 125 of its mass calculate the gravitational