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a 50 g bullet leaves the muzzle of a riffle with a speedof 320 ms what force assumed constant is exerted on the
two newly discovered planets follow circular orbits around a starin a distant part of the galaxy the orbital speeds of
a 10-lb block is attached to an unstretched spring of constant k 12 lbin the coefficients of static and kinetic
the 11-kg block a and the 5-kg block b are both at a height h 2 m above the ground when the system is released from
three resistors with values of 40 omega70 omega and13 omega areconnected in series in a circuit with a 65 vbatterya
a cylinder containing an ideal gas has a volume of 20m3 and a pressure of 10105 pa at a tempof 300 k the cylinder is
block m70n and block m35n are connected by a string as shown if the pulley is massless and the surface is frictionless
when you insert a sheet of wood kappa 200between the plates of a capacitor the capacitance becomes240 nf what
the plates of a capacitor are separated by 00050 m the capacitor is charged by a potential difference of 50 v and then
a proton and an electron are moving due east in a constant electricfield that also points due east the electric field
a gold brick is transported from earth to the moon which ofthe following statements is truethe mass of the brick will
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