a) Find the photon energy and wavelength for the series limit (shortest wavelength) in the Pfund series (nf = 5) for the hydrogen atom. (in eV and nm)
a) Find the photon energy and wavelength for the series limit (shortest wavelength) in the Pfund series (nf = 5) for the hydrogen atom. (in eV and nm)
Find the work required to lift a mass of 5 tonnes to a height of 30m. If this is done in 2 minutes, what power is being used?
If a propeller, on a stationary mounting, blows back 36kg of air per second at a speed of 45 knots, what thrust does it produce?
CH 2, 56) An aircraft is standing on an airfield 220ft above sea-level on a day when the barometric pressure at ground level is 1004mb. If the pilot sets the altimeter to read 220ft on this day, what...
A rifle bullet is fired vertically upwards with a muzzle velocity of 700 m/s. Assuming no air resistance, what height will it reach? How long will it take to reach the ground again?
Assuming that the maximum deceleration of a car when full braking is applied is 0.8g, find the length of run required to pull up from a) 50 km/h b) 100km/h
A boy on a bicycle is going downhill at 16km/h. If his brakes fail and he accelerated at 0.3m/s2, what speed will he attain if the hill is 400m long?
0∫2(0∫¶/2 xsin(y)dy)dx
A calcium ion Ca++ enters with zero velocity a region of uniform electric field of 200N/C pointing east. What is its speed after 50ms? (Symbol of calcium atom is 20Ca40)
13. A water droplet of radius 0.018mm remains stationary in air. If the downward electric field in 150N/C, how many excess electrons must the droplet have?
An electric dipole consists of a pint charge -q at the point (0,a) and a point charge q at the pint(0,-a). Find the electric field at the point (x,0).
Find the Taylor Series of g(x) = cos(x2)/x, c=¶/4 ¶ = pi X
Find the Binomial Series of g(x) = 1/(1+5x^2)4
Find the Binomial Series of f(x) = (1-x3)-2/3
Find the MacLaurin Series of f(x) = x3sin(x)
Find the Power Series of f(x) = x^5/(4-x^3) in terms of sigma.
Find Power Series and interval of convergence of g(x) = x-2 ln(1+x2)
Find Power Series and interval of convergence of f(x) = xe5x
Find the radius and interval of convergence of ∑ 0,∞ nnxn/n!
Find the radius and interval of convergence of ∑ 0,∞ (n/3^(2n-1))(x-1)^(2n)