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Your car engine slows down from 3600 rpm to 1200 rpm in 5.0 second.
(a) Evaluate its angular acceleration, assume d constant.
rad/s2
(b) Evaluate the total number of revolutions the engine makes in this time.
rev
Consider an airplane window (area 0.33 m2). If the pressure inside the plane is atmospheric pressure and the pressure outside is 21% of Patm, what is the force on the window
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A 15.0-kg block of ice at 0 °C melts to liquid water at 0 °C inside a large room that has a temperature of 20.0°C. Calculate the net entropy change of the system
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An open train car, with a mass of 2130 kg, coasts along a horizontal track at the speed 2.41 m/s. The car passes under a loading chute and, as it does so, gravel falls vertically into it for 2.59 s at the rate of 489 kg/s. What is the car\'s speed af..
Explain the function of the activator added in trace quantities to many inorganic scintillators. Why are activators not needed in organic scintillators?
a 3.77-kg ball of clay is thrown downward from a height of 3.47 m with a speed of 4.81 ms onto a spring with k 1690
a series combination of four identical resistors is across a battery. the potential difference across each resistor is
A planet orbits a star once every 3.44 multiply.gif 107 s in a nearly circular orbit of radius 1.46 multiply.gif 1011 m. determine the tangential speed of the planet
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