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According to Kepler's third law, the orbital period T of a planet is related to the radius R of its orbit by T2 R3. What is the planet's orbital period
A rock is thrown vertically upward from ground level at time t = 0. At t = 1.9 s it passes the top of a tall tower, What is the height of the tower
Determine the magnitude and coordinate direction angles for the resultant force of the combination of the two forces shown.
An object moves uniformly around a circular path of radius 20.5 cm, making one complete revolution every 2.40 s. What is the translational speed of the object
A metallic sphere has a charge of +3.9 nC. A negatively charged rod has a charge of -6.0 nC. What are the charges of the sphere and the rod
A string is 41.0 cm long and has a mass of 3.00 g. A wave travels at 4.20 m/s along this string. what is the speed of a wave along the second string
A circus performer stretches a tightrope between two towers. He strikes one end of the rope and sends a wave along it toward the other tower. find the tension in the tightrope
A room with dimensions is to be filled with pure oxygen at 22.0 and 1.00 . The molar mass of oxygen is 32.0. What is the mass of this oxygen
The supersonic aircraft Concorde has a length of 63.0 when sitting on the ground on a typical day when the temperature is 16.0. What is the temperature of the Concorde's skin in flight
Puffy cumulus clouds, which are made of water droplets, occur at lower altitudes in the atmosphere. Wispy cirrus clouds, compute altitude above which wispy cirrus clouds can occur
A particle with charge of 28.3 µC is placed at the center of a spherical shell of radius 27.5 cm. find the total electric flux through the surface of the shell
A spherical shell has an outside radius of 2.55 cm and an inside radius of a. The shell wall has uniform thickness, What is this maximum mass
An oscillating block-spring system has a mechanical energy of 1.00 J, an amplitude of 10.0 cm, and a maximum speed of 1.20 m/s. find the mass of the block, and the frequency of oscillation
Four vectors A,B,C ,D and are shown (not to scale). Vector A has magnitude 23.0 and acts at an angle of 14.7 degrees with respect to the positive x axis. find the magnitude and direction of the resu
The tropical year, the time from vernal equinox to the next vernal equinox, Find the number of seconds in one half of a tropical year
The electric field everywhere on the surface of a thin, spherical shell of radius 0.795 m is of magnitude 852 N/C, What is the net charge within the sphere's surface
A spherical balloon is partially blown up and its surface area is measured. More air is then added, by what factor does the radius of the balloon change
compare the electric force holding the electron in orbit (r=0.53*10^-10m) around the proton nucleus of the hydrogen atom, What is the ratio of these two forces
A charge of170µC is at the center of a cube of edge40.0cm. No other charges are nearby. Find the total flux through each face of the cube
Tilted Land is flat, much like Western Utah, but in Tilted Land gravity does not point straight down! Where does the ball hit the ground
Three point charges are located near a spherical Gaussian surface of radius R = 6 cm. What is the electric flux through this surface
Two small spheres hang in equilibrium at the bottom ends of threads, 40.0 cm long, Find the distance between the centers of the spheres
The barricade at the end of subway line has a large spring designed to compress 2.00 m when stopping a 1.00 x 10^5 kg train moving at 0,500 m/s. What speed would the train be going
The masses of astronauts are monitored during long stays in orbit, such as when visiting a space station. What is the mass of an astronaut who has an oscillation period of 2.00 s when in the chair