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a phone cord is 51 m long the cord has a mass of 0165 kg a transverse wave pulse is produced by plucking one end of the
a 60-kg object oscillates on a spring with a force constant of 160 nm the damping coefficient is 020 kgs the system is
consider an elastic collision in one dimension that involves objects of mass 27 kg and 43 kg the larger mass is
a circuit containing a 45 h inductor has an alternating current supplied to it if irms is 69 a and vp is 61 v find the
a cord is used to vertically lower an initially stationary block of mass m 30 kg at a constant downward acceleration
a thin film of acetone n 125 coats a thick glass plate n 150 white light is incident normal to the film in the
two cars collide at an intersection car a with a mass of 2000 kg is going from west to east while car b of mass 1400
light of wavelength 624 nm is incident perpendicularly on a soap film suspended in air assume the soap film has n 133
a 1250 kg car is moving at 123 ms then 243 kj of work is done on the car to increase its speed what will be the cars
the upward normal force exerted by the floor is 670n on an elevator passenger who weighs 710n a what is the reaction
a high-speed photograph of a club hitting a golf ball is shown in the figure below the club was in contact with a ball
youngrsquos double slit experiment is performed with blue-green light of wavelength 500 nm the slits are 120 mm apart
a rectangular object with mass m floats in water so that a fraction 025 is submerged what is the density of the
find the triple point pressure of a constant-volume gas thermometer if its pressure is 0399 atm at a temperature of
a uniform disk with a mass of 885 g and radius 170 cm is rotating on frictionless bearings with an rotational speed of
a woman hangs by her feet from gravity boots that support her weight from above the average blood pressure in her aorta
a non-uniform beam of length 451m and weight 105kn makes an angle of 240 degrees with the horizontal it is held in
preparing to throw baton a in the air you hold it at the midpoint and give it a twist with your forearm and wrist that
as you walked on the moon the earths gravity would still pull on you weakly and you would still have an earth weight
a massless spring hangs from the ceiling with a small object attached to its lower end the object is initially held at
a block is on a horizontal surface a shake table that is moving back and forth horizontally with simple harmonic motion
an athletic can twirl a baton so that it reaches an angular velocity of 12 rads from rest in 05 s if the length of a
we would like to compare the angular momentum of mars about its axis of rotation with that of earths the mass of mars
a person pushes on a stationary 125 n box with 69n at 30degrees below the horizontal as shown in the figure the
a photographer uses his camera whose lens has a 40mm focal length to focus on an object 50m away he then wants to take