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sam heaves a shot with weight 16-lb straight upward giving it a constant upward acceleration from rest of 459 ms2 for a
two large metal plates are parallel to each other and separated by 2 cm they are connected to a 120 v battery assume
a hollow conducting sphere with an outer radius of 0252 m and an inner radius of 0210 m has a uniform surface charge
two carts have a perfectly inelastic collision cart a has mass 348 kg and velocity 508 ms directed north immediately
the charge on the opposite side to the point is -4 nc and the charges on the adjacent sides of the square are 4 nc find
a 0075 kg toy airplane is tied to the ceiling with a string when the airplanes motor is started it moves with a
a baseball is thrown from the roof of 235 m-tall building with an initial velocity of magnitude 106 ms and directed at
a 125 kg mail bag hangs by a vertical rope 33 m long a postal worker then displaces the bag to a position 22 m sideways
a box is sliding with a speed of 450 ms on a horizontal surface when at point p it encounters a rough section on the
gas is contained in a 900-l vessel at a temperature of 240degc and a pressure of 600 atma determine the number of moles
a man stands on a frictionless platform that is rotating with an angular speed of 33 rads his arms are outstretched and
on april 13 2029 friday the 13th the asteroid 99942 mi apophis will pass within 18600 mi of the earth-about 113 the
a an ideal gas occupies a volume of 30 cm3 at 20degc and atmospheric pressure determine the number of molecules of gas
an elevator has mass 600 kg not including passengers the elevator is designed to ascend at constant speed a vertical
a tennis ball on mars where the acceleration due to gravity is 0379g and air resistence is negligible is hit directly
two violinists one directly behind the other play for a listener directly in front of them both violinists sound
when a carpenter shuts off his circular saw the 100 inch diameter blade slows from 4250 rpm to 000 in 100 sa what is
a bicycle has wheels with a diameter of 0680 m it accelerates uniformly and the rate of rotation of its wheels
susans 100kg baby brother paul sits on a mat susan pulls the mat across the floor using a rope that is angled 30
water flowing through a garden hose of diameter 279 cm fills a 240-l bucket in 130 mina what is the speed of the water
an artificial satellite circling the earth completes each orbit in 141 minutes the radius of the earth is 638 106 m
vertically polarized light with an intensity of 60 wm2 passes through a polarizer whose transmission axis is at an
what would have happened to our graphs in this lab if we had a heavier bar when i ask about graphs i expect you to
a 0180-kg yo-yo consists of two solid disks of radius 1200cm joined together by a massless rod of radius 100 cm and a
a dog sits 150 m from the center of a merrygo-round with an angular speed of 178 radsif the magnitude of the force that