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a 910-kg bungee jumper steps off a bridge with a light bungee cord tied to her and to the bridge the unstretched length
eris the largest known dwarf planet in the solar system has a radius r 1200 km and an acceleration due to gravity on
a satellite is orbiting the earth at a distance of 267re and with a speed of 429 kms with what speed would the
two different simple harmonic oscillators have the same natural frequency f910 hz when they are on the surface of the
a probe from earth with a mass of 106 kg is in orbit aroun planet pud in another solar system pud has a radius of 106 m
an object is placed 930 cm in front of the cornea the cornea is thin ans has approximately parallel sides so that the
a tennis ball is shot out of a tennis practice machine at an angle of 18 upwards of the horizontal at a speed of 20 m
when monochromatic light is being used with a certain diffraction grating it is found that the first-order maximum
a wooden shelter has walls constructed of wooden planks 100 cm thick if the exterior temperature is -200degc and the
a styrofoam cooler has a surface area of 2700 cm2 and a wall thickness of 30 cm styrofoam has a coefficient of thermal
a 460 kg block of ice at 0degc is added to an insulated container partially filled with 116 kg of water at 150degca
a traffic light weighing 120 n hangs from a cable tied to two other cables fastened to a support the upper cable theta
a visitor to a lighthouse wishes to determine the height of the tower she ties a spool of thread to a small rock to
a 1050 kg air-track glider is attached to each end of the track by two coil springs it takes a horizontal force of 0500
a circular coil of wire of 200 turns and diameter 3 cm carries a current of 3 a it is placed in a magnetic field of 03
an airplane has a mass of 140 104 kg and each wing has an area of 330 m2 during level flight the pressure on the lower
a factory worker pushes a crate of mass 320kg a distance of 485 along a level floor at constant velocity by pushing
light traveling in air enters a material at an angle of 50 degrees with respect to the normal the refracted beam in the
a 03 kg ball traveling at 5 ms strikes a wall and rebounds elastically the collision took 002 seconds what is the
at a party300kg of ice at-420degc is added to a cooler holding 30 liters of water at 200degc what is the temperature of
suppose0430kg of water initially at390degc is poured into a 0300 kg glass beaker having a temperature of 250degc a 0500
a10cm long animal tendon was found to stretch38mm by a force of130n the tendon was approximately round with an average
a spherical balloon has a radius of125m and is filled with helium how large a cargo can it lift assuming that the skin
you throw a 20-n rock vertically into the air from ground level you observe that when it is a height 146 m above the