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A round flywheel is going 35 rad/s and the moment of inertia is25 kg-m2. It merges with an oval flywheel with inertiaof 15 kg-m2 and velocity of 12 rad/s in the opposite direction. What is the final angular velocity?
For a movie scene, a 76kg stuntman drops from a tree onto a 51kg sled that is moving on a frozen lake with a velocity of 13m/s toward the shore. with what speed does he leave the sled
An apparatus, shown in the the figure below, is designed to study insects at an acceleration of magnitude 958 m/s (= 97.8g). How fast does an insect move when it experiences a radial acceleration of 958 m/s2
The same device can act as both an air conditioner and a heat pump (after all, they do the same thing), what is the coefficient of performance of the device acting as a heat pump
Consider a simple plane pendulum consisting of mass m attached to a string of length l. find the tension of the pendulum string
A 25 g rifle bullet traveling 270 m/s buries itself in a 4.0 kg pendulum hanging on a 3.0 m long string, find horizontal components of the pendulum's displacement
The length of a beam increases by 2.3mm when its temperature is raised from 29.5 C to 75.6 C. What is the length of the beam at the initial temperature
A boy is trying to retrieve his toast from a toaster using a metal knife. He touches one of the wires inside, which is connected to 120 V. What is the current through his body
Two radio antennas are 130 m apart on a north-south line. The two antennas radiate in phase at a frequency of 3.6 MHz. at which constructive interference of two radio waves occurs
A certain ideal gas has a molar specific heat at constant volume CV = 7R/5. What is its molar specific heat at constant pressure
1. a street light is supported by two wires and each makes a different angle from each other. the one on the left
A resistor with R = 36.0 ohms and a capacitor with C = 1.20 x 10^-6 F are connected in series to a battery that has negligible internal resistance, What is the final charge on the capacitor, a long time after the circuit is completed
A commercial airliner is undergoing its initial ascent while the pilot maintains a cabin environment of T = 23 C, r = 0.35, and p = 880 hPa. At the 670 hPa level an exit door ruptures and cabin pressure rapidly decompresses. Will clouds form in the c..
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