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Solve the all parts of given question:
Question: A 28•kg block is connected to an empty 1•kg bucket by a cord running over a frictionless pulley. The coefficient of static friction between the table and the block is 0.50and the coefficient of kinetic friction between the table and the block is 0.30.
Part I: Find the acceleration of the system if 6.5•kg of sand is put into the bucket.
m/s2
Part II: Find the acceleration of the system if 7.8•kg more sand is added to the bucket.
I just want the right answer, Thanks!
If you stand on a bathroom scale, the spring inside the scale compresses .50mm telling you your weight is 700N. if you jump on the scale from 1.0m up, what will be the peak reading of the scale?
The horizontal component Fx is shown by the histogram below as function of position along x-axis. There is also a kinetic frictional force of 0.50 N between mass and surface.
a man of weight w 577 n is doing pushups. his center of gravity is in the middle of his torso while in the push-up
You close the top of your straw with your thumb and lift the straw out of your glass containing Coke. How large is the error (in per cent) if you neglect the air in the straw
A circular armature coil is used in a motor with a uniform magnetic field of 1.80 T. The coil has a diameter 95 cm, how much current is flowing throught the motor
a rod 42 cm long moves in a plane perpendicular to a magnetic field of 500 g. the velocity of the rod is perpendicular
A man doing a slow push-up is approximately in static equilibrium. His body is horizontal, with his weight of 757 N supported by his hands and feet, how far from the shoulders is the man's center of gravity
A gold prospector finds a solid rock that is composed solely of quartz and gold. The mass and volume of the rock are, respectively, 13.1 kg and 3.76 10-3 m3. Find the mass of the gold in the rock
In the Bohr model of the hydrogen atom, an electron in the 7th excited state moves at a speed of 4.47 104 m/s in a circular path having a radius of 2.59 10-9 m
A 0,52 um thick soap film (n=1,41) in air is illuminated with white light in a direction perpendicular to the film. For what wavelength in the range 350-700 nm is there : a) fully constructive interferences b) fully destructive interference in the re..
a grandfather clock is controlled by a swinging brass pendulum that is 0.90 m long at a temperature of 30.degc.a what
Harry Potter (55kg) is riding his broom north when a Slytherin casts a spell to knock him from the broom. what is Harry's velocity
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