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a cork in the form of a cylinder with length 6 centimeter and cross-sectional area 4 cm2 is placed in water and it is
a person enter a tower needing to know its height he notes that a long pendulum extends from the ceiling almost to the
an undersea research chamber is spherical with an external diameter of 520 meter the mass of the chamber when occupied
a if the frequency of oscillation of the wave emitted by an fm radio station is 1014 mhz calculate the waves period of
two point masses each of mass 5 kilogram are joined by a light straight rod of length 1 meter this dumbbell is located
when a 015 kilogram ball is hit its velocity changes from 29 ms to -29msa find the magnitude of the impulse delivered
a photon with energy of 50 kev is scattered by a free electron the recoiling electron could have energy of less than 50
a 23 meter long log of irregular cross section is lying horizontally supported by a wall at one end and a cable
a 40 kilogram mass has a velocity of 4ms east when it explodes into two 2 kilogram masses after the explosion one of
a 450 ml syringe has an inner diameter of 400 millimeter a needle inner diameter of 0260 millimeter and a plunger pad
an abandoned ship is in the ocean at a depth of 161 meter the ship has a flat circular port of diameter of 12
a grocery cart with mass of 16 kilogram is pushed at a fix speed along an aisle by a force of 12 newton the handle is
a rope is wrapped around a wheel of diameter 50 centimeter the wheel is mounted with frictionless bearings on an axle
the very large array vla is a set of 30 dish radio antennas located near socorro new mexico the dishes are spaced 10 km
the depth of the potential well for free electrons in a metal can be correctly determined with observing that the
closest neighbor our closest stellar neighbor proxima centauri is 43 light years away it has been suggested that tv
a mica sheet 114 microm thick is suspended in air in reflected light there are gaps in the visible spectrum at 428 535
a strange quantum event occurs involving a 3 kg ball of cheese that splits into two 05 kg balls of chocolate momentum
a copper rod of cross-sectional area 122 cm2 has one end immersed in boiling water and the other in an ice-water
a martian leaves mars in a spaceship that is heading to venus on the way the spaceship passes earth with a speed v 080c
two protons in an atomic nucleus are normally separated by a distance of 20 x 10-15 m the electric repulsion force
a pendulum is constructed from a thin rigid and uniform rod by a small sphere attached to the end opposite the pivot
a 066-kg metal sphere oscillates at the end of a vertical spring as the spring stretches from 014 to 025 m relative to
a 27-kg copper block is given an initial speed of 25 ms on a rough horizontal surface because of friction the block
to the unaided eye the planet jupiter has an angular diameter of 50 arc seconds what will its angular size be when