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A turntable has a moment of inertia of 2.5 x 10-2 kg m2 and spins freely on a frictionless bearing at 33.3 rpm. A 0.5 kg ball of putty is dropped vertically on the turntable and sticks at a point 0.20 m from the center. What is the new rate of rotation of the system?
A house has a volume of 450 m3. The air-conditioning system is designed to replace the air in the house every hour, The air in the ducts flows at 5.0 m/s, find the width of the ducts
An early method of measuring the speed of light makes use of a rotating slotted wheel. A beam of light passes through one of the slots at the outside edge of the wheel, find the linear speed of a point on the edge of the wheel
At a certain distance from a charged particle, the magnitude of the electric field is 502 V/m and the electric potential is -3.40 kV. What is the distance to the particle
1. perfectly spherical raindrops with a diameter of 2 mm are falling through a deep layer of atmosphere. there are 1000
a steel wire 2.04 m long with a circular cross section must stretch no more than .260 cm when a 400.3 N weight is hung from one of its ends, what is the minimum diameter must this wire have
If the Earth were to suddenly stop revolving around the Sun the gravitational force that the Sun exerts on the Earth would cause the Earth to "fall" directly into the Sun
Find out (a) capacitance and (b) maximum voltage that can be applied to a Teflon-filled parallel- plate capacitor having a plate area of 175 cm2 and an insulation thickness of 0.040 mm.
The dielectric of a parallel plate capacitor is to be a slab of glass that completely fills the volume between the plates. The area of each plate is 0.60 m2. Find what thickness should the glass have if the capacitance is to be 0.15 µF
The deepest place in all the oceans is the Marianas Trench, where the depth is 10.9 km and the pressure is 1.10x10^8 Pa. by how much does its volume decrease
A 250 gram ice cube at -10 C is placed in a Alum cup whose initial temp is 70 C. what is the mass of the cup
Watch the video titled "Groundwater Contamination" (4 min 35 sec) under the Water Pollution terms section of the Science Corner. You can also view the video athttps://www.youtube.com/watch?v=5xs1jLlbztE. Next, explain the main reasons why some ground..
A car is moving with constant velocity v, and has wheels of radius R. At what angle does the piece of mud drop off the wheel
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