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Explain why in the Davisson and Germer experiment using 54 eV electrons using the d=0.215 nm planes, there was only one peak measured (explain why diffraction peaks with n=2 and higher are not possible)
A glass lens (nglass = 1.52) has a 136 nm thick anti-reflective film (nfilm = 1.33) on one side. What is the largest wavelength of the light that is totally removed by the film
A 20.0 cm long organ pipe is filled with air and is open at one end and closed at the other. What is the frequency of the third mode
A thin rod of length 0.80 m and mass 210 g is suspended freely from one end. find the rod's kinetic energy at its lowest position
Inversely proportional to the square of the fields
You are driving down the road when you see a deer in your headlights. It takes you 0.5 seconds to react. Once you react you start braking, and you decelerate at 3m/s2. What was your speed before you hit the brakes
Determine the absolute pressure at the bottom of a lake that is 50 m deep. Write yor answer correct to two decimal paces let Patm = 101,300 Pa
A plane flies 450 km east from city A to city B in 45.0 min and then 900 km south from city B to city C in 1.50 h. (Assume points east and points north.) what is the plane's average velocity for the total trip
question1an airplane flies 200 km due west from city a to city b and next 335 km in direction of 30.0deg north of west
A rock thrown with speed 10.5 and launch angle 30.0(above the horizontal) travels a horizontal distance of = 18.0before hitting the ground. Find the height (yi) from which the rock was launched
A barge floating in fresh water (? = 1000 kg/m3) is shaped like a hollow rectangular prism with base area A = 650 m2, Find the mass of the coal in kilograms
The unstable isotope 234Th decays by beta emission with a half-life of 24.5 days. what is the decay rate after 37 days
A deuteron is accelerated from rest through a 10-kV potential difference and then moves perpendicularly to a uniform magnetic field with B = 1.6 T. What is the radius of the resulting circular path
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