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The fan blades on a jet engine make one thousand revolutions in a time of 76.5 ms
(a) Determine the period (in seconds).
s
(b) Determine the frequency (in Hz) of the rotational motion.
Hz
(c) What is the angular frequency of the blades?
rad/s
The nucleus of the hydrogen atom has a radius of about 1.1 x 10-15 m. The electron is at a distance of about 5.2 x 10-11 m from the nucleus. find the volume of the atom
Obtain an expression for the velocity
Aluminum wiring rated at 30. A maximum current is to be installed in a home. For safety reasons, it should produce no more heat than 15 watt per meter of length. how thick diameter does the wire have to be
Two sources have sound levels of 104dB and 62.3 dB. what is their combined intensity
for an initial velocity of 15 m/s and a launch of 55 degrees, where will the projectile strike the side of the hill
Model the electromagnetic wave in a microwave oven as a plane traveling wave moving to the left, with an intensity of 26.3 kW/m2. An oven contains two cubical containers of small mass, each full of water.
a bathyshpere dives to a depth of 1000 m in the ocean. if the inside is maintained at one atmosphere, what is the net force acting on the round window
When a golfer tees off, the head of her golf club which has a mass of 280 g is traveling 58 m/s just before it strikes a 46-g golf ball at rest on a tee. determine the speed of the golf ball just after impact
The rotating sprocket tip at the end of the guide bar has a radius of 0.0343 m. Find the angular speed of the sprocket tip
Capacitor 1 with a capacitance of 8.00 µF is connected in series with capacitor 2 of capacitance 2.00 µF, and a potential difference of 100 V is applied across the pair
Three capacitors are arranged. C1 has a capacitance of 5.0 pF, C2 has the capacitance of 10 pF, and C3 has the capacitance of 15 pF. Find the voltage drop across the entire arrangement if the voltage drop across C2 is 311 V.
It is possible to use electromagnetic radiation to ionize atoms. To do so, the atoms must absorb the radiation, What is the longest radiation wavelegth
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