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suppose optical radiation 560 10-7 m is used to determine the position of an electron to within the wavelength of the
a 150 kg block rests on the icy surface of a frozen pond which you can assume to be frictionless if the location of the
a loop of area 0100 m2 is rotating at 3600 rpm revolutions per minute with an axis of rotation perpendicular to a 020 t
two billiard balls undergo a glancing collision before the collision the first ball was traveling east at 26 ms and the
physics each of the following objects has a radius of 0173 m and a mass of 248 kg and each rotates about an axis
what does the brightness of the bulb say about the current in the circuit how much of the current is coming from each
a catapult launches a rock at at 50 degree angle with respect to the horizontal find the maximum height attained if the
two uniform solid cylinders each rotating about its central longitudinal axis have the same mass of 125 kg and rotate
a 1 530-kg automobile has a wheel base the distance between the axles of 330 m the automobiles center of mass is on the
a car with a mass of 2200 kg is traveling at a speed of 400 kmh on an icy road when it collides with a 10000 kg truck
ultraviolet light is incident normally on the surface of a certain substance the binding energy of the electrons in
assume that youngs modulus for bone is 150 1010 nm2 and that the bone will fracture if more than 150 108 nm2 is
a block of mass 29 is attached to a string that is wrapped around the circumference of a wheel of radius 83 the
the work function for platinum is 635 eva convert the value of the work function from electron volts to joulesjb find
a 230 kg child plays on a swing having support ropes that are 210 m long a friend pulls her back until the ropes are
a meter stick is supported on a fulcrum at the 19 cm mark a 060 kg object is hung from the zero end of the meter stick
electrons are ejected from a certain metallic surface with speeds ranging up to 42 105 ms when light with a wavelength
a spring has a spring constant of 25 nm and a mass of 075 kg is suspended from it if i pull the mass down by 013 m out
in designing a machine part you need a spring that is 845 cm long when no forces act on it and that will store 240 j of
the threshold of hearing is defined as the minimum discernible intensity of the sound it is approximately find the
unpolarized light is incident on a linearly polarizing filter oriented 30o with respect to the horizontal the light
justin moves a desk 480m across a level floor by pushing on it with a constanst horizontal force of 340n it slides for
an illuminated arrow object forms a real inverted image of itself a distance d 40 cm measured along the optic axis of
a 605 n woman climbs a staircase that rises at 47 degrees above the horizontal and is 470 m long her speed is a
an upright object is placed a distance in front of a converging lens equal to twice the focal length f1 of the lens on