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A solid, uniform sphere of mass 2.0 kg and radius 1.7m rolls without slipping down an inclined plane of height 6.7 m. what is the angular velocity of the sphere at the bottom of the inclined plane?
A square loop, with sides of length L = 40.7 cm, carries current i = 4.49 A. Find the magnitude of the magnetic field from the loop at the center of the loop.
A square loop of wire with a side length of 29.9 cm carries a current of 0.401 A. What is the magnetic field in the center of the square loop?
A golf ball of mass 0.050 kg is at rest on the tee and has a velocity of 102 m/s immediately after being struckif the club and ball were in contact for 0.74 ms, what is the average force exerted on
A flat conducting loop is positioned in a uniform magnetic field directed along the x axis. For what orientation of the loop is the flux through it a maximum?
A baseball is thrown such that it is in the air for 4 seconds and lands 100 m away. Find the initial vertical and horizontal components of the baseball's velocity.
An 8.000-mW laser beam emits a cylindrical beam of light 0.9000 mm in diameter. What is the rms value of the electric field in this beam?
The magnetic field component of the electromagnetic wave is 15.0 ?T. What is the magnetic energy density of the wave?
The average intensity of the sunlight in Miami, Florida, is 1040 W/m2. What is the average value of the radiation pressure due to this sunlight in Miami?
Chlorine gas is generated in situ from HCl and NaClO3 in an oxidation-reduction reaction. What compound is oxidized and what compound is reduced? Write balanced half-reactions for the oxidation and
A convex spherical mirror, whose focal length has a magnitude of 15.0cm, is to form an image 10.0cm behind the mirror. (a) Where should the object be placed? (b) What is the magnification of the mi
When you push down on a bicycle pump, the pressure on the gas changes from 1.0 atm to 3.0 atm. By what factor does the volume of the gas change? Does the gas get larger or smaller?
The frequency of a microwave signal is 9.76 GHz. What is its wavelength in meters?
A certain part of the electromagnetic spectrum ranges from 200 nm to 400 nm. What is the highest frequency associated with this portion of the spectrum?
What is the distance traveled by a beam of light in a time of 2.0 ms?
Question: An aqueous solution containing barium iodide (BaI2) is electrolyzed in a cell containing inert electrodes. The products at the anode and cathode are:
A hollow cylindrical conductor has an inner radius a = 1.1 cm and an outer radius b = 3.7 cm. The total current through the cylinder is 65 A. Using Ampere's Law, calculate the magnetic field at
Question: Aluminum metal is made industrially by electrolysis of Al2O3 dissolved in molten Na3AlF6. How many grams of Al metal are produced when 8.80 X 103 coulombs pass through the cell?
If 590 nm light falls on a slit 4.40×10?2 mm wide, what is the full angular width of the central diffraction peak?
After a spacewalk, a 1.21 kg tool is left 55.9 m from the center of gravity of a 33.7 metric ton space station, orbiting along with it. How much closer to the space station will the tool drift in an
Consider the galvanic cell with Sn2+/Sn and Ag+/Ag both prepared with NO3- as their anion and all solutions prepared at 1.0 M.
At what rate must the potential difference increase across a 1.50 u F capacitor to create a 0.900 A displacement current in the capacitor? ( V/s)
The oscillations of an actual spring-block system slowly reduce in amplitude and finally the system comes to a halt. What happens to the energy of the system?
A person who weighs 653 N steps onto a spring scale in the bathroom, and the spring compresses by 0.788 cm. (a) What is the spring constant? (b) What is the weight of another person who compresses t
A car is hauling a 85.8-kg trailer, to which it is connected by a spring. The spring constant is 2360 N/m. The car and the trailer are moving with a constant acceleration of 0.487 m/s2. By how much