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Light hits this diffraction grating, and goes onto a screen distance 58.6 cm away, creating a diffraction pattern where the maxima are 88 mm apart. Find the wavelength of the light being used.
Find (a) the capacitance in picofarads, (b) the magnitude of the charge in nanocoulombs on each plate, (c) the stored energy in microjoules, (d) the electric field in N/C between the plates, (e) the
Suppose a beam of monochromatic (single frequency) light, wavelenth 631 nm falls on a double slit whose slits are 0.0648 mm apart. The screen is 98.2 cm from the slits. a) Calculate the distance fro
Jill pulls on a rope to lift a 12 kg pail out of a well, while clumsy Jack watches. For a 10 metr segment of the lift, she lifts the bucket straight up at a constant speed.
A force of gravity exists between two masses. How is the initial force of gravity (F1) affected if the separation distance between them is modified in the following ways to yield a new force of grav
A proton is shot from the negative disk toward the positive disk. What launch speed must the proton have to just barely reach the positive disk?
How fast is the center of mass of the two-stone system moving at that time?
A proton moves from a location where V = 69 V to a spot where V = -51 V. (a) What is the change in the proton's kinetic energy?
A capacitor of 12 farrads that is charged to a level of 44 volts is attached to a resistor of 13ohms. what is the time constant of this circuit? what will the charge on the capacitor be after 2 uni
A 568- physics student stands on a bathroom scale in an 880- (including the student) elevator that is supported by a cable. As the elevator starts moving, the scale reads 480. Find the magnitude of
If there is one free conduction electron for every silver atom in the solid state, what is the drift velocity of electrons when a potential difference of 1 x 10-5 V is applied to opposite faces?
The system of electrons has the minimum total energy possible. What is the least energy, in eV, a photon must have in order to excite a ground-state electron in this system to the lowest higher stat
The electrons in the beam were accelerated by a voltage of 3.0 kV; the beam was then steered to different points on the screen by coils of wire that produced a magnetic field of up to 0.50 T. What i
A 296 kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 30.0° with respect to the horizontal.
Two capacitors C1 and C2 are connected in series to a 9V battery. The magnitude of the charge on each plate of C1 is 7.5μC. The value of C1 is 2μF. What would be the equivalent capacitance if
A 40.0 cm diameter circular loop is rotated in a uniform electric field until the position of maximum electric flux is found. The flux in this position is measured to be 5.20*10^5 N*m/C. What is th
A uniform, upward-riected electrical field exist in teh region between the plates, and the field exerts an electic force down on the electon. Describe the movement of the electron in the region.
How fast would she have been traveling if yellow light of wavelength 576 nm had been shifted to green with a wavelength of 554 nm?
Two capacitors each have a capacitance C, and a third capacitor has a capacitance C/2. If the first two are connected in series, and the series configuration is connected in parallel to the third, h
An aluminum cup contains 225g of water and at 27 C. a 400-g sample of silver at an initial temperature of 87 C is placed in the water. a 40g copper stirre is used to stir the mixture until it reache
A satellite moves in a circular orbit around the Earth at a speed of 5300 m/s. Determine the satellite's altitude above the surface of the Earth. Determine the period of the satellite's orbit.
A good rule of thumb is to use relativistic equations whenver the kinetic energies determined classically and relativistically differ by more than 1%. Find the speeds when this occurs for (a) electr
A 4.0 ohm resistor, an 8.0 ohm resistor, and a 12 ohm resistor are connected in series with a 24 v battery. What are (a) the equivalent resistance and (b) the current in each resistor?
What is the tension in the string? What is the force causing the centripetal acceleration of the puck? What is the speed of the puck?