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a sphere of mass 100 kg and radius 045 m is subject to an angular acceleration about its center of 200 rads2 a cylinder
a child playing tee ball hits a stationary 65 rm g ball with a 300 rm g bat swinging initially at 40 rm ms bat and ball
at 100 degrees celsius the rms speed of nitrogen molecules is 576 ms nitrogen at 100 degrees celsius and a pressure of
when 10 kg of coal is burned about 30 x 107 j of energy is released if the energy released per 92u235 fission is 200
three equal point charges each with charge 165 are placed at the vertices of an equilateral triangle whose sides are
if s is measured in feet the value of a is 3 how many seconds do you have to get out of the way of a chandelier wich
a sports car crosses the bottom of a valley with a radius of curvature equal to 95m at the very bottom the normal force
a jet plane is flying with a constant speed along a straight line at an angle of 350 deg above the horizontal the plane
a girl is using a rope to pull a box that has mass of 35kg across a level surface with constant velocity the rope makes
an air puck of mass m1 024 kg is tied to a string and allowed to revolve in a circle of radius r 10 m on a
a 120 g ball moving at 045ms in the x-direction is subject to a 015 n force in the -y-direction for 30 sfind the
a particle is moving in a simple harmonic oscillator potential ux12kx2 but with an infinite potential barrier at x0
two friends burt and ernie are standing at opposite ends of a uniform log that is floating in a lake the log is 32m
there is a tree in the middle of your front yard and you take pictures of a squirrell as it runs around the tree when
calculate the resulting wave of a superposition of 600 mhz and 600006 mhz 10 ppm of from 600 mhz carrier frequency
the current in a coil drops from 41 a to 24 a in 049 s if the average emf induced in the coil is 12 mv what is the
a circuit consists of an ideal ac generator a 25 microf capacitor and an 85o resistor all connected in series the
an object located 250 cm from a convex mirror produces a virtual image 16 cm from the mirror what is the magnification
a ray of light incident upon a mirror makes an angle of 339deg with the mirror what is the angle between the incident
a ray of light strikes a mirror at an angle of 358deg to the normal what is the angle that the reflected angle makes
a 560 turn solenoid 25 cm long has a diameter of 30 cm a short 18 turn coil is wound tightly around the center of the
a 78 cm diameter wire coil is initially oriented so that its plane is perpendicular to a magnetic field of 063 t
a convex mirror is needed to produce an image that is seven-eighths the size of an object and located 28 cm behind the
a a convex mirror has a focal length of -11 cm a lightbulb with a diameter of 61 cm is placed 600 cm from the mirror
an object is 300 cm in front of a concave mirror with a 70-cm focal length determine the image