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1. What is the wavelength (in 10-15 m) of a proton traveling at 19.8% of the speed of light?
(Mp = 938.27 MeV/c2 = 1.6726 10-27 kg , c = 3 108 m/s)
2. Determine the direction of the force (if any) that will act on the charge in each of the following situations.
A positive charge within an electric field that points to the left.A negative charge within an electric field that points upward.A positive charge moving into the screen in a magnetic field that points upward.A negative charge moving to the left in a magnetic field that points into the screen.A positive charge moving upward in an electric field that points out of the screen.A positive charge moving downward in a magnetic field that points upward.
4. Two charged spheres are 16.0 cm apart. They are moved, and the force on each of them is found to have been quadrupled. How far apart are they now?____cm
Work in CGS units.
5. A capacitor with capacitance C1 is charged by connecting its terminals to a battery at voltage V1. With the battery still connected, a dielectric substance with dielectric constant c is inserted.
a) By how much is the charge on the capacitor charged when dielectric is inserted.b) Compare the energy stored in the capacitor before and after insertion.c) How much work is done by the battery.
A parallel plate capacitor has square plates that are 5.00 cm on each side and 3.80 mm apart. how much electrical energy is store in the capacitor
A baton twirler throws a spinning baton directly upward. determine the height to which the center of the baton travels above the point of release
If a virtual image is formed 10.0 cm along the principal axis from a convex mirror of focal length -15.0 cm, how far is the object from the mirror
Mike throws a ball upward and toward the east at a 63° angle with a speed of 22 m/s. Find and graph the ball's trajectory as seen by Nancy
It has recently become possible to "weigh" DNA molecules with measuring the influence of their mass on a nano-oscillator. Figure shows a thin rectangular cantilever etched out of silicon density 2300 \rm kg/m^3 with a small gold dot at the end.
A boat moves 15 .0 km across a lake in 30.0 min. What is the average speed of the boat in kilometers per hour
Find the change in gravitational potential energy. Since the final goal of this problem is to find the minimum spring constant, assume that the spring will compress to its maximum value.
Force of a Baseball Swing. A baseball has mass 0.145 kg. Find the magnitude of the impulse applied to it by the bat
Ice at -13.7 °C and steam at 114 °C are brought together at atmospheric pressure in a perfectly insulated container. After thermal equilibrium is reached, the liquid phase at 43.3 °C is present. Ignoring container and equilibrium vapour pressure of t..
If you lift the front wheel of a poorly maintained bicycle off the ground, If the moment of inertia of the wheel about its axle is 0.30 , what is the magnitude of the frictional torque
A certain sound has an intensity of 2.0647×103 W/m2. What is the sound intensity level in decibels
The earliest capacitors, called "Leyden jars" were made by wrapping conducting metal foil inside and outside glass jars. how tall would the jar have to be to reach a capacitance of 21.0 nF
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