(13%) Problem 2: In an evacuated tube electrons produce X-rays by accelerating from rest through a...
Problem 2 (13%) Problem 2: a copper plate In an evacuated tube electrons produce X-rays by accelerating from rest through a voltage of 0.39 kV and striking D à Nonrelativistically, whar would be the maximum speed of these electrons, in meters per second? Grade Summary
(20%) Problem 3:A52+ 10-kg rocket is accelerating straight up. Its engines produce 1.05-107 N of thrust, and air resistance is 4.4 106 N Randomized Variables m-52.105-kg f=1.05 . 107 N fr = 4.4.106 N ← What is the rocket's acceleration, using a coordinate system where up is positive? Grade Summary Potential Submissions a= 8.461 3% 97% cos0 cotan0 asin) acos0 atan)acotan) sinhO sin 78 9 HOME Attempts remaining: 9 % per attempt) detailed view 3% cotanhO 0 END Degrees Radians...
(20%) Problem 4: A color television tube generates X-rays when its electron beam strikes the screen. Randomized Variables V= 34 kV What is the shortest wavelength of these X-rays, in meters, if a 3/kV potential is used to accelerate the electrons? (N shielding to prevent these X-rays from reaching viewers.) sin cos tano 7 8 cotano asin() acoso E4 5 6 atan acotan sinh 1 2 3 Cosh) tanh) cotanh). • Degrees Radians 0 I give up! Hint Submit (20%)...
(3%) Problem 17: An evacuated tube uses a potential difference ofΔν= 0.22 kV to accelerate electrons, which then hit a copper plate and produce X-rays 5000 Part (a) Write an expression for the non-relativistic speed of these electrons v in terms of e, Δν, and m, assuming the electrons start from rest Grade Summary Deductions Potential 3% 97% Submissions Attempts remaining: 4 (3% per attempt) detailed view END 3% DEL CLEAR Submit Hint I give up! Hints: 1 for a...
(6%) Problem 13: A 48 105-kg rocket is accelerating straight up. Its engines produce 1.15 107 N of thrust, and air resistance is 4.7 106 N. Randomized Variables m 4.8 105-kg f=1.15. 107 N fr=4.7 106 N What is the rocket's acceleration, using a coordinate system where up is positive? Grade Summ a 13.8 Deductions Potential Submissions tan 7 8 sin0 cos0 HOME Attempts rema (0% per attemg detailed view asin) acos) 4 6 cotan) sinh) 2 3 atan) acotan)...