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A block of mass = 2.9 is attached to a string that is wrapped around the circumference of a wheel of radius = 8.3 . The wheel rotates freely about its axis and the string wraps around its circumference without slipping. Initially the wheel rotates with an angular speed , causing the block to rise with a linear speed = 0.43. Find the moment of inertia of the wheel if the block rises to a height of = 8.4 before momentarily coming to rest.
A potter's wheel having a radius 0.55m and a moment of inertia 12kg•m2 is rotating freely at 51 rev/min. The potter can stop the wheel in 7 s by pressing a wet rag against the rim and exerting a radially inward force of 67N. Find out the effectual co..
Which state is best illustrates kinetic friction
A irregular piece of metal has a dry mass of 5.7 kg. Once it is submerged it has an apparent mass of 2.4 kg. What is the density of the piece of metal
Old MacDonald had a farm, and on that farm he had a gate (see below). The gate is 3m wide and 1.8m high, with hinges attached to the top and bottom. The guy wire makes an angle of 300 with the top of the gate and is tightened by a turn buckle to a..
q1. a 59.0 kg pole vaulter running at 9.5 ms vaults over the bar. if the vaulters horizontal component of velocity over
A 24 cm long wire with a linear density of 16.5 g/m passes across the open end of a 87 cm long open-closed tube of air. If the wire, What is the fundamental frequency of the wire
A ball of moist clay falls 19.8 m to the ground. It is in contact with the ground for 19.5 ms before stopping. What is the average acceleration of the clay during the time it is in contact with the ground
A parallel plate capacitor has an area of 0.40m^2 and a plate separation of 0.02m. What is the magnitude of the electric field in the region between the plates
a base for a building column measures 18.0 in. by 18.0 in. on a side and 12 in. high. compute the cross-sectional area in both square inches and square millimeters. compute the volume in cubic inches, cubic feet, cubic millimemters, and cubic mete..
A block of mass 4.6 kg slides 15 m from rest down an inclined plane making an angle of 28 o with the horizontal. what is the retarding force due to friction
A sled of mass m is given a kick on a frozen pond. The kick imparts to it an initial speed of vi = 2.50 m/s. Use energy considerations to find the distance the sled moves before it stops
Suppose your waffle iron is rated at 1.20 kW when connected to a 3.00 102 V source. What current does the waffle iron carry
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