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A vertical right circular cylindrical tank measures 30ft high and 20 ft in diameter. It is full of oil weighing 51.2 lb/ft^3. How much work does it take to pump the oil to the level of the top of th
What is the current's magnitude and direction of the external B-field? What is the current's magnitude and direction flowing through the wire?
In a interference experiment d = 4mm, L = 1m, the second maximum (n = 2) appears on the screen at a distance 4mm from the central maximum (n = 0). What is the wavelength of the light??
Determine the maximum charge on the capacitor. What is the charge remaining on either plate after one time constant has elapsed.
Compute the transmission coefficient for penetration of the barrier for the electrons and the protons?
How long does it take to reach its highest point? What velocity does it have? How far from the base of the cliff does it land; i.e., what's its range?
When inserted into a player, the CD starts from rest and accelerates to an angular velocity of 20.1 rad/s in 0.735 s. Assuming the CD is a uniform solid disk, determine the net torque acting on it.
The two blocks undergo a perfectly inelastic collision. What should the velocity of the red block be in order to have the two blocks move to the right with a speed of 0.40 after the collision?
Calculate the maximum height of the water column that can be supported in this way, and compare with the length of the mercury column in a barometer. This problem illustrates why mercury is used in
Neglecting air resistance, what is the force of friction between the object and the rolling surface? Explain.
A pulley, with a rotational inertia of 4.6 × 10-3 kg m2 about its axle and a radius of 7.0 cm, is acted on by a force applied tangentially at its rim. The force magnitude varies in time as F =
The rotational inertia of a uniform rod of length L and mass M about its center is M(L^2/12. What is the rotational inertia (in kg-m^2) of a meter stick whose mass is 0.56 kg, about an axis perpendi
At most, how many bright fringes can be formed on each side of the central bright fringe (not counting the central bright fringe) when light of 625 nm falls on a double slit whose spacing is1.97 x
A plug in an electrical device consists of two metal conductors that are seperated by a distance of 75cm. An electric field of 4.7x10^7 V/m exists when a current passes between them. What is the mag
An 800 V/m electric field is directed along the +x axis. If the electric potential at x=0m is 2000V, what is the electric potential at x = -2m?
Two cylinders are made of the same, unknown material. The first has a radius r1, resistance R1, and mass m1. The second has mass 0.5 m1 and a radius of 0.5 r1. What is the second cylinder's resistan
A sheet of glass has n_red = 1.52 and n_violet = 1.55. A narrow beam of white light is incident on the glass at 30 degrees. What is the angular speed of the light inside the glass?
A person sees clearly wearing eyeglasses that have a power of -5.00 diopters when the lenses are 1.65 cm in front of the eyes. (a) What is the focal length of the lens?
A proton moving with a velocity of 3.0*10*4m/s enters a magnetic field of 0.30T.If an angle between the velocity of the proton and the direction of the magnetic fieldis 60 degrees. What is the magni
A device with a resistance of 200.0k is connected to a 10V battery. How much power does the device use?
Construct an imainary example of a study or expeiement in which you get results that are approximately linear, but not exactly linear. This is just hypothetical not real findings or numbers but it s
If you identify just the child as your system, what is the net external force on the child as he is jumping?
A cell phone transmits at a frequency of 1.95×10^8 Hz. Whatis the wavelength of the electromagnetic wave used by this phone? Answer in meters please.
An otherwise empty room contains 6 x 1026 air molecules. How many times more probable is it that they are split exactly 50-50 between front and back halves of the room than that there is a 49-51 spl