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An electron is accelerated by a constant electric field of magnitude 270 N/C.
(a) Find the acceleration of the electron. ____ m/s2
(b) Use the equations of motion with constant acceleration to find the electron's speed after 9.00 10-9 s, assuming it starts from rest. ____ m/s2
Find the de Broglie wavelength of an oxygen molecule of average kinetic energy in air at a temperature of 194.0 K
Suppose a car is traveling at +23.7 m/s, and the driver sees a traffic light turn red. After 0.360 s has elapse, What is the stopping distance of the car
An electron moves in a circular path perpendicular to a magnetic field of magnitude 0.270 T. find the speed of the electron and the radius of the circular path
An astronaut on a distant planet wants to determine its acceleration due to gravity. What is the acceleration (magnitude and direction) due to gravity on this planet
You have probably never noticed time dilation effects in everyday life. Calculate the speed that a friend would have to move with respect to you so that your measured time intervals are 1.00% larger than hers
The elements in a series RCL circuit are a 106 Ω resistor, a 3.30 µF capacitor, and a 0.0310 H inductor. The frequency is 609 Hz. What are the impedance of the circuit
Two very small spheres are initially neutral and separated by a distance of 0.60 m. What is the magnitude of the electrostatic force that acts on each sphere
Three 25.0-ohm resistors are connected in series across a 60.0-V battery. What is the equivalent resistance of the circuit and What is the current in the circuit
The Hamiltonian of a system of two (spin- 1/2) electrons, H= ?1?z1+?2?z2 where ?z is the Pauli Matrix, ? is an energy parameter and our subscripts represent the two electrons 1 and 2. What is the basis where this Hamiltonian is diagonal and what is t..
A golf ball is struck at ground level. The speed of the golf ball as a function of the time, How far does the golf ball travel horizontally before returning to ground level
A 55.5-kg ice skater is moving at 4.08 m/s when she grabs the loose end of a rope, Determine the force exerted by the horizontal rope on her arms
wo small metallic spheres, each of mass m = 0.220 g, are suspended as pendulums by light strings of length L, How long are the strings
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