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a car wheel with a diameter of 30 inches has a linear velocity of 30 mph. The car accelerates for 10 seconds. After the acceleration the car wheel has and angular velocity of 11.21 rev/s. What is the angular displacement of the car whell during the 10 seconds of acceleration?
A "Carnot" refrigerator (reverse of a Carnot engine) absorbs heat from the freezer compartment at a temperature of -17°C, How much work must be done by the refrigerator to change 0.20 kg of water at 24°C into ice at -17°C
Two moles of an ideal gas at 200 K occupies a 40 m3 container. What is the pressure of the gas
Water is being pumped through a horizontal pipe that is 37.8 m long and 14.5 cm in diameter. what gauge pressure must the pump provide to give the same volume flow rate as for the first pipe
Three resistors with values of 2.7 , 3.8 , and 6.4 , respectively are connected in parallel in a circuit with a 24 V battery. How much current is delivered to the circuit by the battery
One-half mole of a monatomic ideal gas expands adiabatically and does 520 J of work. Specify whether the change is an increase or a decrease
A large wooden turntable in the shape of a flat uniform disk has a radius of 2.00 m and a total mass of 120kg. The turntable is initially rotating at 3 rad/s about a vertical axis through its center.
An aircraft with a mass of 856 kg accelerates from 0 to 83 m/s in 9 seconds, at which time the aircraft launches. What is the kinetic energy of the aircraft
In a PCM system, the number of quantization levels is 16 and the maximum lsignal frequency is 4 kHz, the bit transmission rate is
A 3 microcoulomb charge is at the coordinated (3,4)mm. A -4 microcoulomb charge is at the coordinates (-2,5)mm. find the Electric field vector in polar coordinates at the origin
The displacement of a wave traveling in the negative x-direction is y(t)=( 5.6cm )cos( 5.2 x + 73 t), find the wavelength, frequency, and speed of this wave
A flask is filled with 1.55 L (L = liter) of a liquid at 98.7 °C. When the liquid is cooled to 15.7 °C, its volume is only 1.32 L, however. obtain the coefficient of volume expansion of the liquid
In a circut all six resistors share the same value R. Calculate the equivalent resistance between points A & B
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