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explain physically how a microphone works state the specific physical laws
name and describe the four types of reactionswhat four factors would speed up the rate of a chemical
a circular test track for cars has a circumference of 23 km a car travels around the track from the southernmost point
a 441 kg 31 m uniform ladder leans against a frictionless wall a 841 kg person is standing on the ladder down 111 m
list some common household examples of acids list some strong baseswhat happens when an acid and a base are combined to
elastic collisions a 2 kg object moving 4 ms to the right collides elastically with a 4 kg object moving 1 ms to the
a person who has a mass of 100kg is skateboarding to the right at a speed of 90ms when he smacks into a brick wall and
weddell seals foraging in open water dive toward the ocean bottom by swimming forward in a straight-line path tipped
a pendulum consists of a paint can weighing 59 kg at the end of a string the length of 3 mthe paint can is released
a proton is confined within an atomic nucleus of diameter 380 fmestimate the smallest range of speeds you might find
1nbspan astronaut travels at a speed of 098cnbspfrom the earth to a distant star that isnbsp73nbspnbsp1017nbspm away if
the us military uses sonar with a loudness of 235 db measured at 1 m say an unfortunate fish is swimming 05 m in front
a particle of mass 40 kg initially moving with a velocity of 20 ms collides elastically with a particle of mass 60 kg
suppose the slope of a weight-vs-length graph for a spring gives 70 nm and the x-intercept is 030 m also the spring
1 a cart moving at 3500 ms is brought to a stop by the force plotted in the force-time graph shown here what is the
how is the motion of a projectile analyzed describe how the vertical component and the horizontal component of a
suppose the slope of a weight-vs-length graph for a spring gives 70 nm and the x-intercept is 030 m what is the spring
using a force of 280 newton a student pulls a 700 newton weight along the tabletop for a distance of 150 meters in 30
what is the maximum achievable power output of a wind turbine of blade radius 2m in a 25 mph
describe the chemical properties of alkanes what chemical structure makes a compound an alkane how can alkanes react
assume all temperatures to be exactto determine the specific heat of a new metal alloy 0180nbspkg of the substance is
a certain charged particle moves in a path of radius 52x10-1m in a uniform magnetic field if the speed of the particle
a microscope objective has a focal length of 17 mm it forms an image at 16 cm from its second focal point how far from
the figure below shows a horizontal wire of infinite length that carries a constant current of i 30 a flowing to the
a smallnbsp170-mm-diameter circular loop withnbsprnbsp 140times10-2nbspomega is at the center of a