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A hand-driven grinding wheel is a uniform 62-kg disk with a 41-cm radius. It has a handle of negligible mass 64 cm from the rotation axis. A compact 26-kg load is attached to the handle when it is at the same height as the horizontal rotation axis. Ignore the effects of friction.
(a) Find the initial angular acceleration of the wheel.
rad/s2
(b) Find the maximum angular velocity of the wheel.
rad/s
An oil rig in the gulf is held at its designated drilling location by 3 tugboats. tugboat A oulls with 42000 N straight in the east direction. Tugboat B pulls at an angle of 50 degrees north of west. tugboat C pulls 25 degress west of south. draw ..
George, Romeo's not often heard about older brother, was also quite in love with Juliet. One night he tried to climb a 10 m long, find the coefficent of friction between the ladder and the grass
Lightbulbs with the power ratings giving in the figure are connected in a circuit as shown. Find the power dissipated to each bulb
A solid ball of radius r=1cm rolls down at an incline of theta =30 deg which is 1 meter high. what is the speed the bottom of the incline
A starship that was traveling at 0.7 c just returned from a 4-year voyage. If the time means 4.0 years of earth time, how much time elapsed on the ship? If the time means 4.0 years of ship time, how much time passed on earth?
and how would we improve this product? what would we change? how ould that impact the final product performance and
Steel wire with mass 29 g and length 1.14 m is strung on a bass so that the distance from the nut to the bridge is 1.10 m. Compute the linear density of the string
A metallic wire has a diameter of 4.12 mm. When the current in the wire is 8.00 A, the drift velocity is 5.40 x 10^-5 m/s. What is the density of free electrons in the metal
A small statue is recovered in an archaeological dig. Its weight is measured to be 6.8 lb and its volume 0.09 ft3. What is the statue's weight density
When on the ground, Ian's weight is measured to be 692 N. When Ian is on an elevator, his apparent weight is 796 N. What is the net force on the system
A simple Pendulum has a mass of 2.00 kg. The mass has a speed of 3.00 m/s, What is the maximum height (from the lowest position) the pendulum will reach
Mary needs to row her boat across a 200 m-wide river that is flowing to the east at a speed of 1.1 m/s. Mary can row with a speed of 2.4 m/s. What is her speed with respect to the shore
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