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Q. NASA sends a satellite to another planet by placing the satellite in a Keplerian orbit (around the sun) such that the perihelion is at the radius of the Earth's orbit (1 AU) and the aphelion is at the radius of the planet's orbit. Most of the trip is just free fall in the sun's gravitational field. The small gravitational effects of Earth and the other planet, which only affect the satellite at the very beginning and end of the trip, could be neglected.
Suppose a new planet, call it Questerion, were to appear in Solar System, in a circular orbit of radius 7.20 AU. Analyse the time it would take a NASA satellite to travel from Earth to Questerion. Express the result in years.
The total electric field consists of the vector sum of two parts. One part has a magnitude of E1 = 1300 N/C, Find the magnitude and direction of the total field
Consider a volume of 4.8 cubic meters of gas initially at STP (0 degrees C and 1 atm pressure). what is the volume (in cubic meters) of the gas
A loudspeaker is placed between two observers who are 120 m apart, along line connecting them. If one observer records a sound level of 52.8 dB and the other records a sound level of 83.5 dB, how far is the speaker from each observer? Enter the longe..
What is the work completed by the block and tackle system?
Suppose you want a capacitor bank with a total capacitance of 1.450 F and you possess numerous 2.50 mF capacitors. What is the smallest number you could hook together to achieve your goal
A 18.0 kg block is dragged over a rough, horizontal surface by a constant force of 77.6 N acting at an angle of 35? above the horizontal. The block is displaced 10.8 m, and the coefficient of kinetic friction is 0.149.
Two particles are fixed to an x axis: particle 1 of charge q1 = 1.86 x 10-8 C at x = 27cm and particle 2 of charge q2 = -3.63q1 at x = 77.7cm. At what coordinate on the x axis is the electric field produced by particles equal to zero.
A 0.0100 kg wire, 2.00 m long, is fixed at both ends and vibrates in its simplest mode under a tension of 185 N. What could be the frequency of the tuning fork
If a mechanical wave has a wavelength of 2.80 meters and its period is 4.5 seconds, at what speed does the wave travel
In which collision is the impulse on the cart greater. The magnitude of the charge on an electron is 1.6e-19 C
A rock is thrown vertically upward with a speed of 17.0 m/s from the roof of a building that is 70.0 m above the ground. Assume free fall. What is the speed of the rock just before it strikes the ground
A box of mass 38.5 kg is sitting on a horizontal table top with a coefficient of kinetic friction between the box and the surface of 0.49. Find the magnitude of the acceleration of the box on the table
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