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It is approximately 5800 Kelvin on the surface of the sun.
a). How much faster do sound waves travel there than on Earth? (Just give the speed of sound there).
b). What would be the wavelength of Middle C on the surface of the sun?
The observer on the right, sees two final images. One image comes directly from the objet. The other images comes from the reflection of the object in the mirror. What is the focal length of the concave mirror
A rocket-powered hockey puck has a thrust of 1.00 N and a total mass of 2.10 kg. How far does the puck land from the base of the table
A cylindrical bucket, open at the top, is 28.0 cm high and 10.0 cm in diameter. How high will the water rise in the bucket
A particle with a mass of1.5010-20kg is oscillating with simple harmonic motion with a period of 1.0010-5s and a maximum speed of 3.50103 m/s. Calculate the maximum displacement of the particle
Electrons are ejected from a certain metallic surface with speeds ranging up to 4.2 105 m/s when light with a wavelength of ? = 615 nm is used. What is the work function of the metal?
An intergalactic rock star bangs his drum every 1.70s. A person on earth measures that the time between beats is 2.5s. How fast is the rock star moving relative to earth.
In the final part of its life cycle a particular rotating spherical star expands to four times its normal diameter. How is the period of rotation affected
In 2.63 minutes, a ski lift raises four skiers at constant speed to a height of 147 m. What is the average power provided by the tension in the cable pulling the lift
A 10.0 g lead bullet at 23 degrees C slames into a stone wall. Assuming no loss of energy to the environment, how fast must the bullet be traveling
An automobile engine slows down from 3000 rpm to 900 rpm in 4.5 s. find the total number of revolutions the engine makes in this time
A 40.0 kg child takes a ride on a Ferris wheel that rotates four times each minute and has a diameter of 18.0 m, What is the centripedal acceleration of the child
Three electrons are aligned on a straight line and separations between them are 1.0 mm. Outer two electrons are fixed in position. find the electric potential at the position of the center electron
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