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Question: How fast (in rpm) must a centrifuge rotate if a particle 6.6cm from the axis of rotation is to experience an acceleration of 200000g's?
If possible just a brief explanation how you got the answer and express your answer using two significant figures?
a crowbar 2m long is used to lift a rock 800n. if the fulcrum is 0.25m from where the crowbar touches the rock, how much effort must be applied to move the rock
The speed of light in ice is 2.29x10 8 m/s. What is the index of refraction of ice
what is a catapult ? what is the traditional use of a catapult ? when were catapults in greatest use ? what
how much heat must a refrigerator remove from 100 g of water at 25 ordm c to convert it to ice at 0ordm c? specific
A diverging lens with a focal length of -14 cm is placed 10 cm to the right of a converging lens with a focal length of 18 cm. An object is placed 32 cm to the left of the converging lens.
A generator is made from a set of 7000 loops of area 5.00 cm2rotating at an angular frequency of 600 radians per second. Themagnetic field is created by a solenoid, completely surrounding thegenerator coil, and carrying a current of0.500 A.
Find the electric energy density between the plates of a 225-?F parallel-plate capacitor. The potential difference between the plates is 350V
question a river flows from south to north at 5.0 kmh. on this river a boat is heading east to west perpendicular to
An aluminum bar has a length of 1.8 m and a rectangular cross section with sides of 3.4 mm and 7.0 mm. What is the strain for this value of the stretch
A 50.8 kg box is resting on ahorizontal floor. A force of 250 N directed at an angle of32.6° below the horizontal isapplied to the box. What is the force of friction on the box
Suppose the gasoline in a car engine burns at 637 oC, while the exhaust temperature (the temperature of the cold reservoir) is 106 oC, Determine the ratio of the total work produced by both engines to that produced by the first engine alone
a pair of eyeglass frames are made of an epoxy plastic coefficient of linear expansion 1.30 10-4degc-1. at room
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