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q1 a skier moving at 450 ms encounters a long rough horizontal patch of snow having coefficient of kinetic friction 0230 with her skis how far does
q1 the sun falls on a concave mirror and forms an image 45 cm from the mirror if an object 22 mm high is placed 127 cm from the mirror where will its
q1 metal rod is 41126 long at 230 and 41149 long at 464 calculate the average coefficient of linear expansion of the rods material for this
q1 radio amateurs are permitted to communicate on the 20-meter band what frequency of radio waves corresponds to a wavelength of 10 meters the speed
q having completed the basics of the memory system we turn not to issues involving memory one important issue is the reliability of memory if you
q1 in a head-on collision a car stops in 027 from a speed of 12 the driver has a mass of 76 and is fortunately tightly strapped into his seat what
q after the near spacecraft passed mathilde on some occasions rocket propellant was expelled to adjust the spacecrafts momentum in order to follow a
q1 the loaded cab of an elevator has a mass of 30 x 103 kg and moves 221 m up the shaft in 23 s at constant speed at what average rate does the force
q1 a 60 kg circus performer jumps from a 62 m height onto a trampoline and stretches it downward 036 m assume that the trampoline obeys hookes lawa
q1 a 789 kg man steps off a platform 457 m above the ground he keeps his legs straight as he falls but at the moment his feet touch the ground his
q1 a 3988x10-26 kg mass particle with negative -144x10-18 c charge is initially moving at 50ms parallel to a wire with 18a current going to the right
q1 a highway curve of radius 500 m is designed for traffic moving at a speed of 960 kmhr what is the accurate banking angle of the roadq2 two
q1 suppose a uniformly charged with a linear charge density wire starts at point 0 and rises vertically along the positive axis to a length determine
q1 the wire is made up of atoms with valence 2 and molecular mass 80 gmole where u 15605 times 10-27 kg is the mass of a hydro- gen atom assume
q1 a particular guitar string is supposed to vibrate at 195 hz but it is measured to actually vibrate at 210 hz by what percent has to the tension in
q1 a car of mass 1100 kg travelling at 500kmhr enters a banked turn covered with ice the road is banked at an angle and there is no friction between
q1 a wheel is spinning clockwise at a 120 revolutions per second at t 0 because of friction in the bearings supporting the axle the wheel slows down
q1 far in space where gravity is negligible a 450 kg rocket travelling at 77 ms fires its engines the thrust force as a function of time with
q a certain toaster has a heating element made of nichrome resistance wire when the toaster is first connected to a 100 v source of potential
q1 a person stands between two speakers connected to the same source each speaker produces a tone with a frequency of 200 hz on a day when the speed
q1 a 40 g rifle bullet travelling 260 ms buries itself in a 40 kg pendulum hanging on a 30 m long string which makes the pendulum swing upward in an
q1 a car takes 9 s to go from v 0 to v 55 ms at about constant acceleration if you wish to find out the distance travelled using the equation d 12
q1 for each of the situations below the charged particle enters a region of uniform magnetic field illustrate a vector to represent the direction of
q an electron is projected with an initial speed u0 160 x 106 ms into the uniform field between the parallel plates suppose that the field between
q1 an 920 n sled is pulled a distance of 197 m the task requires 120 104 j of work and is completed through pulling on a rope with a force of 125 n