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a spherical mirror is polished on both sides when the concave side is used as a mirror the magnification is 27 obtain
a 290 centimeter high object is located 212 centimeter in front of a concave mirror that has a radius of curvature of
the intensity of the light that reaches the photocell in the drawing is 130 wm2 theta 25 degree find what would be the
a trap door of length and width 250 meter is held open at an angle of 65 degree with respect to the floor a rope is
a child of mass 400 kilogram is sitting on a horizontal seesaw at a distance of 19 meter from the supporting axis
evaluate the rotational inertia of a solid iron disk of mass 48 kilogram with a thickness of 395 centimeter and radius
a firecracker is tossed straight up into the air it explodes into three pieces of identical mass just as it reaches the
a turntable must spin at 334 rpm 350 rads to play an old-fashioned vinyl record determine how much torque must the
a solid sphere of mass 0605 kilogram rolls without slipping along a horizontal surface with a translational speed of
a modern sculpture has a large horizontal spring with a spring constant of 279 nm that is attached to a 580 kilogram
you are asked to hang a uniform beam and sign using a cable that has a breaking strength of 435 newton the store owner
two loudspeakers emit sound waves along the x-axis a listener in front of both speakers hears a maximum sound intensity
a spring with a force constant of 35 x 104 nm is initially at its equilibrium lengtha compute how much work must you do
the string in a yo-yo is wound around an axle of radius 0520 centimeter the yo-yo has both rotational and translational
a spinning flywheel has rotational inertia i 4050 kgbullm2 its angular velocity decreases from 203 rads to zero in
a house painter stands 3 meter above the ground on a 50 meter long ladder that leans against the wall at a point 47
a flywheel of mass 182 kilogram has an effective radius of 062 meter suppose the mass is concentrated along a
a charge lies on a string that is stretched along an x axis from x 0 to x 300 meter the charge density on the string
a 90 gram ball collides elastically with a 330 gram ball that is at rest if the 90 gram ball was traveling in the
you are playing football and pass the ball to your receiver who is 15 meter away you throw it upward at an angle of 65
the angular momentum of a spinning wheel is 237 kgbullm2s after application of a constant braking torque for 22 second
a bucket of water with a mass of 20 kilogram is attached to a rope that is wound around a cylinder the cylinder has a
three equal point charges each with charge 200icircfrac14c are located at the vertices of an equilateral triangle whose
particle a has a mass of 45 gram particle b has a mass of 15 gram particle a is located at the origin particle b at the
a block of wood of mass 088 kilogram is initially at rest a bullet of mass 0049 kilogram traveling at 1017 meter per