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A minimum-energy orbit to an outer planet consists of putting a spacecraft on an elliptical trajectory with the departure planet corresponding to the perihelion of the ellipse, or closest point to the Sun, and the arrival planet corresponding to the aphelion of the ellipse, or the farthest point from the Sun.
(a) Use Kepler's third law to determine how long it would take to go from Earth to Mars on such an orbit. (Answer in years.)
(b) Can such an orbit bounder taken at any time? Describe.
a right- moving EM wave overlaps with a left-moving wave so in a certain region of space the total electric field in the y-direction, Determine the Poynting Vector
A person sees a distant lightning strike, then 4.5 seconds later he hears the thunder clap. If it is 35 degrees Celsius, how far away was the lightning strike
the temperature of the air in a resonator is 15degc when a tuning fork vibrates at one end the spacing between tow
A simple pendulum consists of a small object of mass 3.0 kilogram hanging at the end of 2.0 meter long light string that is connected to a pivot point. Find the magnitude of the torque (due to the force of gravity) about this pivot point
Solenoids produce magnetic fields that are relativelyintense for the amount of current they carry. Calculate the magnetic field at the center of the solenoid
solar cells can produce about 40 w of electricity per square meter of surface area if directly facing the sun. how
The wheel of an automobile has a mass of 25 kg and a diameter of 67.0 cm. What is the angular momentum of the wheel about its axle when the automobile is traveling at 25 m/s (90 km/h) on a straight road
A 0.335 m string is clamped at both ends. If the lowest standing wave frequency in the string is 326 Hz, Evaluate what is the speed
A 360 kilogram object is supported on a wire attached to a 15-meter long steel bar that is pivoted at a vertical wall and supported by a cable. find the force exerted by the wall on the steel bar
consider a fixed and a moving system with their clocks synchronized and their origins aligned at tt0. a draw on a
A round pipe of varying diameter carries petroleum from a wellhead to a refinery. At the wellhead the pipe's diameter is 56.1 cm and the flow speed of the petroleum is 13.1 m/s. what is the pipe's diameter at the refinery
A converging lens of focal length 0.187 m forms a virtual image of an object. What is the distance between the object and the lens
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