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a 020-kg cannonball with a 10x10-4c charge starts at rest 040 m from a fixed 20x10-4 charge when the cannonball is
a student makes an inductor in lab by wrapping many turns of fine copper wire around a spool a real inductor coil such
a student makes some tea its temperature is 45 oc when they finish making it they want to drink some right away how
a student observing the ocean notes that n 9 crests break in t 34 minutesrandomized variables n 9t 34 minutespart a
a student sitting on a chair on a circular platform of negligible mass rotates freely on an air table at initial
a student strikes a metal rail l 22 m at one end and uses a piezoelectric gauge at the other end to determine that the
a student is studying a 1000g mass oscillating on a horizontal spring of spring constant k18nm at t0 the object was at
an electron and a positron anihilate with equal and opposite momenta and become two photons e- e- rarr 2 photons both
a student throws a water balloon with speed v0 from a height h 156 m at an anglenbsptheta 22o above the horizontal
force on a current loop in a nonuni form magnetic field it was shown in section 277 that the net force on a current
a student uses a magnifying glass to examine the details of a microcircuit in the labaif the lens has a power of 10 d
students set a spring into oscillation with a mass of 50 g and find that it oscillates 50 times in 1 min and 20
students use a simple pendulum with a length of 369cm to determine the value of g if it takes 122s to complete 10
to study the properties of various particles you can accelerate the particles with electric fields a positron is a
a designer plans to build a circular indy 500 racetrack with a bank angle of 12o and it must keep cars moving at 150
a stunt man jumps horizontally from building to building from his current position he wishes to jump to a building 2m
a stunt person whose mass is 625 kg falls from rest vertically downward a distance of 810 mthe persons fall is not
a crane is pulling up a 60000-kg submerged cylindrical storage tank in seawater with a speed of 01 ms the tank diameter
a basketball player p1 catches a pass from her teammate p2 and immediately passes the ball back to her in one
a stunt rider is traveling around circular loop of track on a motorbike at a constant speed of 11ms the total mass of
subject thermal-dynamics consider 2 kg of an ideal gas r300 jkgk and cp1000 jkgk contained in a piston cylinder
a 150-kg block of ice at 000 oc falls into lake superior which is a freshwater lake the lake water is at 100 oc and the
a subject weighing 140 pounds wants to exercise at 4 mets on the arm ergometer if the resistance is set at 15 kp how
a what is the amount of air passing per minute through the wtg swept area if the rotor radius is 40m the air flux is 12
a particle of mass 180m0 and charge e is accelerated by a potential difference to a speed of 08c m0 is atomic mass unit