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At time t = 0 a grinding wheel has an angular velocity of 23.0 rad/s. It has a constant angular acceleration of 27.0 rad/s2 until a circuit breaker trips at time t = 1.60 second. From then on, the wheel turns through an angle of 440 rad as it coasts to a stop at constant angular deceleration. Part A) Determine at what time does the wheel stop?
Part B) Determine the wheel angular acceleration as it slowed down?
A voltmeter is connected in parallel to a resistor when measuring Vi. Why is the measured voltage across a 10 M Ω resistor not equal to the voltage measured across a power supply?
Assume that you wish to fabricate a uniform wire out of0.800 g of copper. If the wire is to have a resistance R = 0.400 , and if all of the copper is to be used. What will be the length of the wire? What will be the diameter of the wire?
A 2.60 kg steel gas can holds 15.0 L of gasoline when full. What is the average density of the full gas can, taking into account the volume occupied by steel
two wires on a piano are the same length and are stretched to the same tension. wire 1 vibrates at a frequency 1.5
An electron is released from rest at the negative plate of a parallel plate capacitor and accelerates to the positive plate, What is the kinetic energy of the electron just as it reaches the positive plate
when air is inhaled it quickly becomes saturated with water vapor as it passes through the moist upper airways. when
1. you are hired by an industry that owns a building with a floor area of 6 m by 10 m and a ceiling height of 4 m. the
Two spherical shells have a ordinary center. A +1.6x10-6C 10 charge 0is spread consistently over the inner shell, which has a radius of0.050 m. A -5.3x10-6C charge is spread consistently over the outer shell, which has a radius of 0.15 m.
a. calculate the rate of heat conduction through house walls that are 13.0cm thick and that have an average thermal
Two cylinders of the same material and length, are held horizontally one atop the other with space in between so they are not touching.. Viewed from the end they look like two circles on top of each other with space between(looks like a lower case..
An engine with an output of 267.0 W has an efficiency of 39.0 %. It works at 9.00 cycles/s. How much work is done in each cycle? How much heat is rejected each cycle
For your diffraction grating experiment, you need to compute the wavelength of light. Derive the expression for calculating the wavelength () in terms of y1bright. Given the ratio of d to D is 1:300 and also the angle 1 is 4°.
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