Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
A satellite with 2 rectangular solar cells wings with A=60m2, when the wings normally face the sun with an intensity I=1200 W/m2, how much force on the satellite due to the sunlight
Light of 546 nm wavelength is incident on a cesium surface that has a work function of 1.91 eV. find the threshold wavelength
Consider a balloon being filled up with oxygen. You have approximately 30 moles of oxygen gas in this balloon with volume 1.3m3, what is the temperature of the molecules
A planar electromagnetic wave is propagating in the +x direction. What is the Poynting vector at the point P at that instant
A cylinder contains a piston on each side of which is one kilomole of an ideal gas. The walls of the cylinder are diathermal, compute the change in the Helmholtz potential
A 4 kg dog stands on one end of a 20 kg boat. The dog is initially 6 m from the shore, How far has the boat moved after the dog has walked the 2m
Consider two capacitors in air each with a capacitance C, both capacitors then were filled with liquid having a dielectric constant k, What is produced heat
A textbook of mass 1.90kg rests on a frictionless, horizontal surface. A cord attached to the book passes over a pulley whose diameter is 0.150m, What is the tension in the part of the cord attached
At an intersection of hospital hallways, a convex mirror is mounted high on a wall to help people avoid collisions. Using a scales 3-ray diagram, locate and describe the image of a patient 10.0 m from
What is the energy range (in joules) of photons of wavelength 400nm to 760nm
Object O1 is 15.0 cm to the left of a converging lens of 10.0-cm focal length. A second lens is positioned 10.0 cm to the right of the first lens, What is the focal length of the second lens
A swimming pool has dimensions 24.0 m x 11.0 m and a flat bottom. The pool is filled to a depth of 2.10 m with fresh water. What is the force exerted by the water at the bottom
A 4.0mW laser beam has its electric field vertical. what's the power of the transmitted beam
A sample of hydrogen atoms is irradiated with light of wavelength 50 nm, what is the kinetic energy (in electron volts) of these photoelectrons
A large man sits on a 4-legged chair with his feet off the floor. The combined mass of the man and chair is 95.0 kg.what pressure does each leg exert on the floor
Calculate the electric field intensity at a distance of 14 cm from the center of the shell
Calculate the mass of a solid gold rectangular bar with dimensions 3.50 cm x 14.0 cm x 27.0 cm. Density of gold is 1.93E4 kg/m^3
A glass flask whose volume is 1000cm3 at a temperature of 0.200?C is completely filled with mercury at the same temperature. find the coefficient of volume expansion of the glass
A high-pressure gas cylinder contains 40.0 L of toxic gas at a pressure of 1.70 ? 107 N/m2 and a temperature of 18.0°C. What is the final pressure in the tank, assuming a negligible amount of gas
A motor attached to a 120 V/60 Hz power line draws an 8.10 A current. Its average energy dissipation is 810 W. What is the motor's resistance
Calculate the total binding energy, and the binding energy per nucleon, for 7/3Li. The masses of the atoms of 7/3Li and 1/1H are 7.016004 u and 1.007825 u, respectively
Calculate kinetic energy of a solid uniform sphere with a radius of 0.145m and a mass of 14.0kg if it is rotating at 6.35rad/s about an axis through its center
You slip a wrench over a bolt. Taking the origin at the bolt, the other end of the wrench is at x=18cm, y=5.5cm. What is the torque on the bolt
Use Ampere's Law to find the magnetic field inside and outside a straight wire of radius Rcarrying current I uniformly distributed over it's circular cross-sectional area A.
A cockroach of mass m lies on the rim of a uniform disk of mass 3 m that can rotate freely about its center like a merry-go-round. find the angular velocity of the cockroach-disk system