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A 200g block is released from rest at a height of 25 cm on a frictionless 30 degree incline. It slides down the incline and then along a frictionless surface until it collides elastically by an 800 g block at rest 1.4 m from the bottom of the incline.
How much later after the first collision do the two blocks collide again?
A pendulum sweeps out an angle of 12.5° during its motion. How far does the pendulum bob (the ball at the end of the rope) travel
A playground merry-go-round made in the shape of a solid disk, hasa diameter of 2.74 m and a mass of353.7 kg. Two children, each of mass30.2 kg, sit on opposite sides at the edgeof the platform. Approximate the children as point masses.
the speed of a transverse wave on a string is 581 ms while the wavelength is 0.268 m. the amplitude of the wave is 2.60
In a Young's double-slit experiment, a set of parallel slits with a separation of 0.150 mm is illuminated by light having a wavelength of 566 nm, What is the difference in path lengths from the two slits to the location of a third order bright frin..
consider a merry-go-round in the shape of a uniform disc of mass 400 kg and radius 3 m. two children each of mass 20 kg
When jumping, a flea reaches a takeoff speed of 1.2 m/s over a distance of 0.45mm, How long does the acceleration phase last
You operate a small grain elevator near Champaign, Illinois. What is the power provided by the electric motor powering the bucket elevator when the bucket elevator ascends with a full load at a speed of 2.2 m/s
Biological muscle cells can be thought of as nanomotors that use the chemical energy of ATP to produce mechanical work. How much work is done by such proteins
question a cylindrical solenoid of radius 3.0 cm is wound with a turn density of 1300 turnsm. it carries a current of
At time t = 0 s, a puck is sliding on a horizontal table with a velocity 3.60 m/s, 35.0° above the +x axis. As the puck slides, a constant acceleration acts on it that has the following components: ax = –0.360 m/s2 and ay = –0.980 m/s2.
Two blocks, each of mass m = 2.1 kg, are pushed along the horizontal surface of a table by a horizontal force P of magnitude 5.4 N, Find the frictional force acting on the upper block
A volltage drop of 0.00039 V is measured across a 1.2 m long piece of copper wire when 10 mA of current passes through it. What is the resistivity of copper
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