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A spring with constant k = 800 N/m is compressed 12 cm from its equilibrium position. A spring with spring constant k = 400 N/m has the same elastic potential energy as the first spring when it e
Given a typical wave function describing the state of a particle, how would you determine the shape of the potential U(X) in assuming that the wave function describes an energy eigen state while bei
How large an emf (rms) will be generated in an antenna that consists of a 426 loop circular coil of wire 1.54 cm in diameter if the EM wave has a frequency of 886 kHz and is transporting energy at a
A and B have different masses. After the collision, B moves in the negative direction of the y axis at speed v/6. In what direction does A move, as an angle with respect to the x axis?
Explain why the color temperatures of the sun in bright sunlight and in the shade are different, even though the sun did not change temperature. What are the physical causes of this difference, and
As you drive down the road at 15.6 m/s you press on the gas pedal and speed up with a uniform acceleration of 1.38 m/s2 for 0.656 s.
A rubber raft of mass 3M floats past a dock at 1 m/sec toward the east. A girl of mass 2M runs down the dock and jumps in the raft with a speed of 2 m/sec in the north direction. How much kinetic en
The ramp is 0.738 m high and 5.31 m long. When the sphere reaches the bottom of the ramp, what is its total kinetic energy? What is its rotational kinetic energy?
A cubical box of widths Lx = Ly = Lz = L = 4.82 nm contains eight electrons. What is the energy of the ground state of this system? Assume that the electrons do not interact with one another, and do
If the force between the spheres has a magnitude of 8.8×104 N, what is the distance between the spheres? What kind of force is this?
An electric dipole p of magnitude 25 p C • m makes an angle of 65º with a uniform electric field E of magnitude 3.0 x 10-6 N/C. What is the magnitude of the torque on the dipole?
A baseball traveling at 70 mph is hit back at the pitcher with a speed of 110 mph. If the ball remains in contact with the bat for 0.01 s, what is the average acceleration of the ball?
A long wire carrying a 5.5 A current perpendicular to the xy-plane intersects the x-axis at x=-2.0cm. At what point on the x-axis is the magnetic field zero if the two currents are in the same direct
The leaf then floats down the river at 3ms-1 FOR 20 seconds until it gets caught on a rock. How far and in what direction from the base of the tree is the rock?
What is the frequency at which it oscillates? What is the maximum current through the inductor as the circuit oscillates?
Question: A current of 5 amp exists in a 10ohm resistance for 4 minuteelectrons pass through any cross section of the resistor in this time?
An ice skater spins about a vertical axis through her body with her arms held out. As she draws her arms in, her angular velocity increases. You know this to be the case because:
The permeability of free space is µ0 = 4p ×10^-7 T·m/A. If a current of 24 A is established in this solenoid, what is its self-inductance?
A mass attached to a spring undergoes simple harmonic motion with an amplitude of 4.0 cm. When the mass is 2.0 cm from the equilibrium position, what fraction of its total energy is potential energy
Assuming that 11.0%of the energy is delivered to the muscle tissue and that the excess energy is removed from the body by sweating, determine the volume of bodily fluid (assume it is water) lost
If the force in the x direction is 60 N, and the force in the y direction is 150 N, find the acceleration in the x-direction, the y-direction, and the net resultant acceleration.
Find it's wavelength, frequency, speed, and direction of propagation. Calculate the displacement y of a point on a string at x = 0.015m at t=0. Note that the angle of the sine function is in radia
In a double-slit arrangement the slits are 1.80 x 10-5 m apart. If light with wavelength 600 nm passes through the slits, what will be the distance between them=2 and m=5 maxima on a screen 1.00 m
Suppose the leading cart is twice as massive as the trailing cart, where would the center of mass be for the system? Sketch to show thinking.
Light is reflected from a transparent coffee table. When the angle of incidence is 52.2°, the reflected light is completely polarized parallel to the surface of the table top. What is the ind