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the image behind a convex mirror radius of curvature is 62 centimeter is placed 20 centimeter from the mirrora estimate
a 100 gram bullet is fired from a rifle having a barrel 08 meter long assuming the origin is located where the bullet
an aero plane is flying horizontally at a steady speed of 67 ms a parachutist falls from the aero plane and falls
a spring lies on a horizontal table and the left end of the spring is attached to a wall the other end is connected to
a 7100 kilogram boxcar traveling at 120 ms strikes a second boxcar at rest the two stick together and move off with a
two objects attract each other with a gravitational force of magnitude 99 x 10-9 newton when separated by 196
a 920 kilogram sports car collides into the rear end of a 2300 kilogram suv stopped at a red light the bumpers lock the
an object attached to a horizontal spring is oscillating back and forth along a frictionless surface the maximum speed
starting from rest a 1069 centimeter diameter compact disk takes 48 second to reach its operating angular velocity of
two objects are connected by a light string passing over a light frictionless pulley the object of mass 500 kilogram is
at t 0 the current to a dc electric motor is reversed resulting in an angular displacement of the motor shaft given
a uniform 16 kilogram rod that is 061 meter long is suspended at rest from the ceiling by two springs one at each end
the 100nbspx 1020nbspelectrons flow through a cross section of a 500nbspmillimeter diameternbspiron wire in
a block of mass 31 kilogram rests on a frictionless inclined plane held in place by a string of mass 0023 kilogram the
it takes 180 kj of work to accelerate a van from 210 ms to 275 ms evaluate what is the van
a farmhand pushes a 23 kilogram bale of hay 39 meter across the floor of a barn if she exerts a horizontal force of 91
a 60 ohm resistor and a 40 ohm resistor are connected in parallel to a 120 volt power supplya determine the total
a porsche 914 accelerates uniformly from 0 to 60 miles per hour n 5 seconds assuming a frictionless air track and a
a 56 kilogram rock with a volume of 3 l is completely submerged in water the density of water is 1 kgla find what
a 99919 lb force is applied to a surface that measures 77 in long and 84 in wide find the pressure exerted on surface
the density of a 10 kilogram cube of nickel is 89 gcm3 determine what would the density of a 5 kilogram cube of nickel
a cylindrical metal can with a radius of 425 centimeter is floating upright in water a rock is located in the can
a boy stands on a bathroom scale in a motionless elevator when the elevator begins to move the scale briefly reads only
a diver can change his rotational inertia by drawing his arms and legs close to his body in the tuck position after he
a playground merry-go-round of radius 200 meter has a moment of inertia i 290 kgbullm2 and is rotating about a