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A space craft with a mass equal to .25 x Mmoon is in orbit about the sun with a period of 3 years.
1) Calculate the average radius of the space craft's orbit. (The distance from the space craft to the sun.)
2) If this craft approached the earth so that it was one Earth radius from the surface of the earth, what force would the space craft exert on you if your mass is 80 kg? What force would the space craft exert on the Earth?
a hoop is rolling without slipping along a horizontal surface with a speed of 4.5 m/s when it starts up a ramp that makes an angle 25 degrees with the horizontal. What is the speed of the hoop
A proton moves with a speed of 0.955c. Calculate its rest energy and Calculate its kinetic energy
What is the magnitude of the acceleration caused by magnetic force? Ignore the gravitational force acting on the electron.
While you are sitting on a chair at the edge of a 1.8 m deep swimming pool, your eyes are 1.7 m above the surface of the water. What is the horizontal distance between you and the acorn?
The block in the figure oscillates sinusoidally between x = +a and x = %u2212a. The coordinate is x(t) = a cos(wt). Calculate the maximum speed
A spring system consists of a stationary spring and a 100-gram mass attached to one end that slides along a horizontal frictionless surface, How much total energy is in the spring
The density of water in Earth's hydrosphere and the density of rocks in the crust are both lower than the average density of the planet as a whole
what is the resolving power of a microscope (lamda = 550 nm) with a 5-mm-diameter objective which has focal point of= 9mm
A double-slit interference experiment is performed with light from a laser. The separation between the slits is 0.59 mm, What is the wavelength of the laser light
A solid, horizontal cylinder of mass 10.5 kg and radius 1.14 m rotates with an angular speed of 7.23 rad/s about a fixed vertical axis through its center. Determine the final angular speed of the system
A crude model of the human vocal tract treats it as a pipe closed at one end.Find the effective length of the vocal tract in a person whose fundamental tone is 550Hz . Sound speed in air at body temperature is 354 m/s.
A slit of width 0.19mm is illuminated with monochromatic light of wavelength 632.8 nm. At what angle will the first minimum occur
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