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A 17 keV electron is brought to rest with colliding twice with target nuclei as in Fig.40-15. (Suppose the nuclei remain stationary.) The wavelength associated with the photon emitted in the second collision is 140pm greater than that associated by the photon emitted in the first collision. (a) What is the kinetic energy of the electron (in terms of kV) after the first collision? What are (b) the wavelengthλ1 (in terms of pm) and (c) energy E1 (in terms of keV) associated by the first photon? What are (d) λ2 (in terms of pm) and (e) E2 (in terms of keV) associated by the second photon?
A wave traveling in the +x direction has an amplitude of 0.421 m, Write the equation of the wave
A 0.289-kg coffee mug is made from a material that has a specific heat capacity of 990 J/kg C° and contains 0.304 kg of water. determine the minimum power rating of this heater
A hockey player strikes a puck that is initially at rest. The force exerted by the stick on the puck is 960 N, Find the impulse imparted by the stick to the puck
Consider a a series circuit containing an inductor (100 mH), a capacitor (40 microF) and a resistor (50 ohms). It is connected to the AC mains (f = 60 Hz, VRMS = 120 V), What is the new value of capacitance
A rectangular loop of wire is placed next to a straight wire, as shown in the (Figure 1) . There is a current ofI = 4.5A in both wires
A 86.0-μF capacitor is connected to a generator operatingat a low frequency. The rms voltage of the generator is 4.60 V andis constant. A fuse in series with the capacitor has negligibleresistance and will burn out when the rms current reaches 11...
man pulls a block of mass m = 15 kg up an incline at a slow constant velocity for a distance of d = 4.5 m. The incline makes an angle q = 35° with the horizontal. What is the work Wm done by the man
Use the worked example above to help you solve this problem. An object 3.08 cm high is placed 19.3 cm from a convex mirror with a focal length of 7.80 cm. Find the magnification of the mirror
man hanging upside down is holding a partner who weighs 604 N. what force must the man apply to his partner in the straight-down position
A child is riding a merry-go-round, which has an instantaneous angular speed of 1.25 rad/s and an angular acceleration os 0.745 rad/s^2. What angle does the acceleration of the child make with the tangential direction
Predict the effect on concentration of SO3 as equilibrium is achieved by using Q, the reaction quotient. 2 SO3(g) 2 SO2(g) + O2(g
Neglect friction, what steady force, applied at its outer edge and perpendicular to plane of the door, can move it from rest through an angle of 90° in 30 s.
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