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A physics student is standing on an initially motionless,frictionless turntable with rotational inertia 0.31kg·m2. He's holding a wheel of rotational inertia0.22 kg·m2 spining at 128 rpm about a vertical axis, as we showed inFig. 11.8. When he turns the wheel upside down, student andturntable begin rotating at 80 rpm.a) What is the student's mass, considering him to be acylinder 30 cm in diameter?b) How much work did he do in turning the wheel upside down? Neglect the distance between the axes of the turntable and wheel.
a person is to be fitted with bifocals. she can see clearly when the object is between 30 cm and 1.5 m from the eye.
John shoves a 0.50-kg block from the bottom of a frictionless 30.0° inclined plane. He performs 4.0 J of work and the block slides a distance s along the incline before it stops. Determine the value of s.
Water having a density of 1000kg/m^3 is flowing with a velocity of 3 m/s through a pipe. Determine the water velocity at the restriction
a system has 1000 joules of energy added to it and performs 800 joules of work. calculate the change in internal
A hockey stick is swung with an average angular acceleration of 1.5 rad/s2. What is an angular velocity of the stick when it strikes the ball at the end of 0.8 second swing.
A heat engine having an ideal monatomic gas as a working substance has a cycle consisting of the following three processes: isobaric expansion at 200 kPa.
A uniform soda can of mass 0.140 kg is 12.00 cm tall and filled with 1.31 kg of soda. After that small holes are drilled in the top and bottom (with negligible loss of metal) to drain the soda.
A parallel-plate air capacitor is to store charge of magnitude 290pC on each plate when the potential difference between the plates is 36.0V, If the area of each plate is 6.80 cm2, what is the separation between the plates
two very large charged parallel metal plates are 9.00cm apart and produce a uniform electric field of 3.00times106 nc
A 512-turn circular-loop coil with a diam- eter of 17.4 cm is initially aligned so that its plane is perpendicular to the Earth’s mag- netic field. In 2.46 ms the coil is rotated 90.0? so that its plane is parallel to the Earth’s magnetic field. An a..
What potential is generated on a plane's wings when it flies through the earth's magnetic field
Find the minimum initial speed of a projectile in order for it to reach a height of 2201 km above the surface of the earth
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