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a 10-kg cylinder rolls without slipping on a rough surface at an instant when its center of gravity has a speed of 10
the index of refraction for red light in water is 1331 and that for blue light is 1340 if a ray of white light enters
a ball of mass 80 kg is suspended by two wires from a horizontal arm which is attached to a vertical shaft as shown in
on the way from a planet to a moon astronauts reach a point where that moons gravitational pull transitions from being
a wire of length 072 m and cross-sectional area 27 cm2 is stretched elastically by an amount 1 cm by hookes law the
a glass flask whose volume is 100033 at 0 is completely filled with mercury at this temperature when flask and mercury
the angular displacement of a rotating wheel is given by theta18t23t-212t3 find the angular acceleration and angular
a 9 kg rock is suspended by a massless string from one end of a 3 m measuring stick what is the weight of the measuring
a 2200 kg car moving east at 100 ms collides with a 3000 kg car moving north the cars stick together and move as a unit
we are depositing nicr fim on a si wafer for a mems device we measure a stress of the film of 600 mpa using x-ray
a fan running on high is switched to low and slows down to 835rads in 175s due to a deceleration of 420 radss calculate
what is the thermal stress in a sio2 film that is deposited at 950 c on a si substrate after it returns to room
a plane traveling at 432kmh flies in a circle with a radius of 3820m calculate how long it takes to go once around the
the velocity of light c is 3x108 ms an am radio station is at 1500 khz on the radio dial what is the wavelength of the
how long does it take light to travel 300000 km in a vacuum how far would a body near the surface of the earth fall in
an electron is accelerated through 165 x 103 v from rest and then enters a uniform 130-t magnetic fielda what is the
a uniform disk with mass 431 kg and radius 0230 m is pivoted at its center about a horizontal frictionless axle that is
an automobile having a mass of 1000 kg is driven into a brick wall in a safety test the bumper behaves like a spring
in a pole sliding game among friends a 90kg man makes a total vertical drop of 70m while gripping the pole which exerts
a 1000kg car coasting at 720kmh on a level frictionless road comes to a 15 degree incline calculate how far the car
a 600kg athlete runs up a flight of 25 steps each 20ocm high in 100s calculate the work done by gravity on the athlete
a block of ice with a mass of 3000kg is being pulled along a horizontal surface by a force f300n at 30 degrees
a ball is kicked horizontally of the roof of a 100-ft high building at a speed of 18 ftsec determine the angle in which
you take a set of measurements for the wavelengths and frequencies of standing waves on a string that is under a