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there is evidence that elephants communicate via infrasoundgenerating rumbling vocalizations as low as 14 hz that can
a 70-kg block slides down a frictionless incline making an angle of 600deg withthe horizontala what is the total work
one 20-year-old twin brother takes a space trip with a speed of080c for 30 years according to a clock on the spaceship
review conceptual example 2 as an aid in solving this problem an object is attached to the lower end of a 100-coil
an object is located 135 cm in front of a convex mirror the image being 745 cm behind the mirror a second object twice
a boat can travel 40 ms in still water with what speed relative to the shore does it move in a river that is flowing at
what linear speed must a 0065-kg hula hoop have if its total kinetic energy is to be 012j assume the hoop rolls on the
a resistor and a capacitor areconnected in series to an ideal battery of constant terminalvoltage at the moment contact
a clown is using a concave makeup mirror to get ready for a showand is 279 cm in front of the mirror the image is 661cm
the outer edge of a rotating frisbee with a diameter of 29cm hasa linear speed of 37ms what is the angular speed of the
a diffraction grating is made up of slits of width 360 nm withseparation 1300 nm the grating is illuminated by
a 10 kg box slides 40 m down a frictionless ramp and collideswith a spring as shown in the figure the spring constant
you are an astronaut in the space shuttle pursuing a satellitein need of repair you are in a circular orbit of the same
at a position in the philippines earths magnetic field of39 microt is horizontal and directeddue north suppose the net
a student on a piano stool rotates freely with an angularspeed of 307 revs the student holds a 139 kg mass in
a horizontal force of magnitude 364 n pushes a block of mass381 kg across a floor where the coefficient of kinetic
a 72 kg man in a 50 kg chair tilts back so that all the weight isbalanced on two legs of the chair assume that each leg
consider a spacecraft in an elliptical orbit around the earthat the perigee it is 400 km away from the earths surface
tarzan whose mass is 800 kg swings from a 300-m vine thatis horizontal when he starts at the bottom of his arc he picks
a coin is located 200 cm to the left of a converging lensf16 cm a second identical lens is placed to the right ofthe
a horizontal spring with a 2 kg mass attached and a springconstant k300 nm is compressed 10 cm from its equilibrium
water flows over a section of niagara falls at the rate of129 x10e6 kgs and falls 54m how much power is generated bythe
a sports car picking up speed passes between two markers ina time of 41 seconds the markers are separated by 120 meters
a person takes a trip driving with a constant speed of895kmh except for a 22 min rest stop if the persons averagespeed
the gauge pressure in each of the four tires of an automobile is240 kpa if each tire has a foot-print of 200 cm2