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the drawing shows two situations in which charges are placed on the x and y axes they are all located at the same
a pulley is attached to the ceiling as shown in the figurebelow spring scale a is attached to the wall and a rope
the electric potential at the surface of a conductingspherical shell of radius r is v gt 0 relative to earth groundtrue
the graphite in a pencil has a resistivity of784times10minus6 wtimesmthe graphites diameter is 0700 mm and its length
a 12-gram bullet is fired at 1600 msinto the wooden block of a ballistic pendulum causing it to swingback raising up
a chevy van going 15mph rear-ends a950-kg ford aspire that is stopped at a light after the collision they are both
a crate of oranges weighing 194 nrests on a flatbed truck 20 m from the back of the truck the coefficients of friction
the potential equals 752 v at the midpoint between two point charges that are 095 m apart one of the charges is 110
a wooden block weighing 9 n is at rest ontop of a wooden desk the coefficient of static friction betweenthe block and
suppose that while moving into an apartment you move a refrigerator into place by sliding it across the floor the
the potential difference across the filament of a lamp is maintained at a constant level while equilibrium temperature
a circular surface with a radius of 057 m is exposed to a uniform external electric field of magnitude 144 x ten to the
a mountain climber in the process of crossing between two cliffs by a rope pauses to rest she weighs 586 n as the
you throw a ball toward a wall at speed 390 ms and at angletheta0 370deg above the horizontal fig 4-35the wall is
a ball is thrown straight upward and returns to the throwers hand after 270 s in the air a second ballis thrown at an
the power supplied to a typical black-and-white television set is88 w when the set is connected to 120va how much
a student presses a book between his hands as the drawingindicates the forces that he exerts on the front and back
a bowling ball mass 72 kg radius 010 m and a billiard ball mass 042 kg radius 0028 m may each be treated asuniform
true or false and why1 velocity of an object is zero at the same instant the acceleration is zero2 if an object is not
what is the magnitude and direction of the force on an electrontraveling 85 x 105 ms in the x direction caused by
a proton is accelerated through 50 mv and then enters a uniformmagnetic field of 025 t if the velocity of the proton is
when a light bulb is connected across the terminals of abattery the battery delivers 200 w of power to the bulb
three point charges areplaced on the x-axis charge 1 is located at x a and has a chargeof 5q charge 2 is at x 3a and
two thin conductingconcentric cylinders have infinite length the inner cylinder has aradius a and a line charge density
a block slides down a frictionless plane having an inclination of 170degif the block starts from rest at the top and