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1. Find the de Broglie wavelength and frequency of an electron whose speed is 10% of the speed of light. Using the EM spectrum chart, what kinds of EM waves could this de Broglie wavelength represent? Please show all calculations and explanations!
2. Calculate the de Broglie wavelength of
a. a particle of mass 1 g traveling with a speed of 2.0 m/s.
b. a He atom traveling with a speed of 103 m/s.
3) Two isolated conducting spheres of radii a and b are placed distance d away from each other. The first sphere (with radius a) has positive charge q, the second one has no excess charge. Then, the spheres are connected by thin wire. Find charges on the spheres after they are connected.
4. The electric motor of a model train accelerates the train from rest to 0.690 m/s in 20.0 ms.The total mass of the train is 875 g. Find the average power delivered to the train during the acceleration.
A solenoid of diameter 2 centimeter and length 15 centimeter develops a 0.3 T magnetic field at a current of 15 Amp. Compute the length of the wire used to make this solenoid
Three resistors, 25, 45, and 75 Ohms, are connected in series, and a 0.51-A current passes through them. What is (a) the equivalent resistance and (b) the potential difference across the three resistors?
Joyce and Efua are skating. Joyce pushes Efua, whose mass is 40.0 kilogram, with a force of 5.0 Newton. Determine what is Efua resulting acceleration
A double-slit experiment is performed underwater with a submergedHeNe laser. Suppose that the separation of the slits is0.0142 cm, Find the distance along the screen
The nucleus of 8Be, which consists of 4 protons and 4 neutrons, is very unstable and spontaneously breaks into two alpha particles, What is the initial magnitude of the acceleration of the alpha particles
A daredevil on a motorcycle leaves the end of a ramp with a speed of 39.0 m/s. what is the maximum height that he reaches
A sample graph of the angular speed of the flywheel when it was rotated freely is shown. Find the frictional torque present in the bearing
A cannonball is shot (from ground level) with an initial horizontal velocity of 40 m/s and an initial vertical velocity of 29 m/s, What is the initial speed of the cannonball
A thin, circular hoop with a radius of 0.32 m is hanging on a nail. Adam notices that the hoop is oscillating back and forth through small angles like a physical pendulum. The moment of inertia of the hoop for the rotational axis passing through ..
A glass window is exactly 16 cm by 27 cm at 8°C. By how much has its area increased when its temperature is 38°C, assuming that it can expand freely
Suppose the coefficient of static friction between the road and the tires on a car is 0.799 and the car has no negative lift. What speed will put the car on the verge of sliding as it rounds a level curve of 34.7 m radius
Two particles of charge Q(-L,0) and nQ(αL,0) where n = 10. When a third charge is placed at the origin, it is found that the force on it is zero. Find out α.
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