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q1 a crate of 319- tools rests on a horizontal floor you exert a gradually increasing horizontal push on it and observe that the crate just begins to
q1 while a roofer is working on a roof that slants at 440 above the horizontal he accidentally nudges his 930 toolbox causing it to start sliding
q1 an outfielder throws a 0150 kg baseball at a speed of 500 ms and an initial angle of 300deg what is the kinetic energy of ball at the highest
q1 a pet-store supply truck moves at 25ms north along a highway inside a dog moves at 185ms at an angle of 35deg east of north what is the velocity
q1 what effect will increase in temperature from 25 degree celsius to 32 degree celsius of the metal metre stick have on the measurement of the
q1 a charge of -255 nc and a charge of -525 nc are separated by a distance of 400 cm find the position at which a third charge of 790 nc can be
q1 the coefficient of static friction between the 3000 lb cars tires and the road is 05 determine the steepest grade the car can drive up at constant
q1 a single bead can slide with negligible friction on the stiff wire that has been bent into a circular loop of radius 124 cm as in the figure below
q1 an electric circular saw is designed to reach its final angular speed starting from rest in 140 s its average angular acceleration is 370 rads2
q1 two small insulating spheres with radius 750times10-2 m are separated by a large center-to-center distance of 0455 m one sphere is negatively
q1 the sound level measured in a room by a person watching a movie in a home theatre system varies from 66 db during a quiet part to 96 db during a
q1 planet zero has a mass of 50 acute 1023 kg and a radius of 20 acute 106 m a space probe is launched perpendicularly from the surface of zero with
q1 the student now starts moving a box up a 100deg incline keeping her 142 n forces directed at 270deg above the line of the incline if the
q1 two 750 w 120 rm v light bulbs are wired in series then the combination is connected to a 230 v supply how much power is dissipated by each bulbq2
q1 a series r-l-c circuit of r 200 ohms l 0900 h and c 200 uf carries an rms current of 0250 a with the frequency of 100 hz what is the average
q1 a gadget of mass 1752kg floats in space without motion because of some internal malfunction the gadget violently breaks up into 3 fragments flying
q1 an alpha particle helium nucleus is travelling along the positive x-axis at 1250 ms when it enters a cylindrical tube of radius 0500 m centered on
q1 a planet of mass 8 times 1024 kg is at location lsaquo -4 times 1011 7 times 1011 0 rsaquo m a star of mass 7 times 1030 kg is at location lsaquo
q1 a 0440-kg blue bead slides on a frictionless curved wire starting from rest at point where h 140 m at point the blue bead collides elastically
q1 the density of gold is 193times104 rmkgmrm3 203 rm g of gold is shaped into a cube what is the length of each edgeq2 light from a he-ne laser
q1 youre carrying a 40-m-long 25 poles to a construction site when you choose to stop for a rest you place one end of the pole on a fence post and
q1 a skier starts from rest at the top of a hill that is inclined at 120deg with the horizontal the hillside is 1800 m long and the coefficient of
q1 a block of mass 27 kg being released from rest on a 1m frictionless plane inclined at an angle of 40 degree the block sided down the inclined and
q1 in a head-on collision a car stops in 028 from a speed of 18 the driver has a mass of 73 and is fortunately tightly strapped into his seat what
q1 a positively charged particle of mass 600 10-8 kg is travelling due east with a speed of 25 ms and enters a 046 t uniform magnetic field the