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A laser used in a holography experiment has an average output power of 4.93 mW. The laser beam is actually a series of pulses of electromagnetic radiation at a wavelength of 632.8 nm, each having a duration of 23.2 ms.
A) Calculate the energy (in joules) radiated with each pulse.
B) Calculate the number of photons in each pulse.
An Escort and a Camaro traveling at right angles collide and stick together. The Escort has a mass of 1200 kg, What was the speed of the Camaro
An electron in an oscilloscope is accelerated as a result of the potential difference between the cathode and anode. determine the voltage drop from cathode to anode
You are watching a webcam of a .8kg object sitting on a scale. you are told the mass of the scale is 9kg, find the magnitude of the acceleration of the object
A 12 volt battery is connected to a 2.0 x 10^-5 farad capactior. calculate the amount of charge on one plate of the capacitor.
An air-filled capacitor is formed from two long conducting cylindrical shells that are coaxial and have radii of 37 mm and 92 mm. The electric potential of the inner conductor regarding the outer conductor is -574 V.
A thin rod of length 9.5 m and mass 16 kg is supported at a 28? incline. Find the normal force exerted on the rod by the lower support
Two titanium spheres approach each other head-on with the same speed and collide elastically. What is the mass of the other sphere
A 120 V rms voltage at 60 Hz is applied across a 10 uF capacitor and an unknown resistor. what is the value of the resistor
A 1442 kg car is traveling south, and a 2028 kg van is traveling west. what is the speed of each vehicle
A lead block is suspended from the underside of a 0.8 kg block of wood of density of 720 kg/m3. determine the mass of the lead block
A pump is required to lift a mass of 770 kg of water per minute from a well of depth 14.2 m and eject it with a speed of 17.5 m/s. How much kinetic energy does the pump give the ejected water
A bullet moving at 244 m/s strikes a tree and penetrates a distance of 8.34 mm before stopping. What was the average acceleration of the bullet as it slowed
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