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q1 suppose a chimpanzee swings through the jungle on vines if it swings from a tree on a 13 m long vine that starts at an angle of 45 degrees what is
q1 every day our earth receives 155times1022 j energy from the sun if we were able to use 085 percent of this energy to accelerate spaceships then
q1 an ideal gas is expanded isothermally from 20 l to 30 l throughout this process 6 j of energy is expended by the external mechanism that expanded
q1 an aluminum cup contains 225 g of water and a 40-g copper stirrer all at 27degc a 400-g sample of silver at an initial temperature of 87degc is
q1 an engineer needs a resistor with zero overall temperature coefficient of resistance at 20oc she designs independent of temperature and a uniform
q1 a beam of light strikes a sheet of glass at an angle of 570circ with the normal in air you observe that red light makes an angle of 381circ with
q1 in accordance to one estimate the first atomic bomb released an energy equivalent to 20 kilotons of tnt if 1 ton of tnt releases about 40 109 j
q1 a lawn roller is rolled across a lawn by a force of 128 n along the direction of the handle that is 161 above the horizontal if lawn roller
q1 a combined cycle gas turbine power plant can run at 50 percent efficiency assume such a plant delivers 1 gw of power how several cubic feet of
q1 how numerous years would it take a thermally insulated one-million-kilogram chuck of granite to undergo a 1000k boost in temperatureq2 a motorist
q1 a curve of radius 40 m is banked for a design speed of 100 kmh if the coefficient of static friction is 030 wet pavement at what range of speeds
q1 the brick wall of thermal conductivity 091 wmdegrees c of a building has dimensions 29 m by 6 m and is 18 cm thick how much heat flows during the
q1 a 600 kg pole vaulter running at 120 ms vaults over the bar assume that the vaulters horizontal component of velocity over the bar is 10 ms and
q1 when one person shouts at a football game sound loudness at the center of the field is 54 db as all the people shout together the loudness
q1 a cube of ice is taken from the freezer at -86degc and placed in a 102 g aluminium calorimeter filled with 286 g of water at room temperature of
q1 for a damped oscillator with a mass of 280 g a spring constant 140 nm and a damping coefficient of 74 gs what is the ratio of an amplitude of the
q1 an air puck of mass 0026 kg is tied to a string and authorized to revolve in a circle of radius 15 m on a frictionless horizontal surface the
q1 a radio station broadcasts at a frequency of 600000 hz know that radio waves have a speed of 300 x 108ms what is wavelength of these wavesq2 a
q1 a student pulls a box of books on a smooth horizontal floor with a force of 100 n in a direction of 37 degrees above the horizontal if the mass of
q1 two diodes and a resistor are placed in a single loop circuit connected to an ac generator the diodes are oppositely oriented so that when one
q1 a uniform plank of length 46 m and weight 204 n rests parallel on two supports with 11 m of the plank hanging over the right support to what
q1 a 750 gram grinding wheel 250 cm in diameter is in the shape of a uniform solid disk we can overlook the small hole at the center when it is in
q1 megans mass is 27 kg she climbs the 48 m ladder of a slide and reaches a velocity of 36 ms at the bottom of the slide how much work was completed
q1 a 21-cm-long zero-resistance wire is pulled outward on zero-resistance rails at a steady speed of 10 in a 010 magnetic field on opposed side a 10
q1 tony of mass 55 kg coasts on his bicycle of mass 20 kg at a constant speed of 4 ms carrying a 12 kg pack tony throws his pack forward in the way