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Question: Two satellites are in circular orbits around the earth. The orbit for satellite A is at a height of 472 km above the earth's surface, while that for satellite B is at a height of 837 km. Find the orbital speed for
(a) satellite A and
(b) satellite B.
How do I calculate final velocity of a planet moving around a star? The things I know are the positions of star/planet initial V of the planet, Final velocity of the planet after the force of the sun has acted on it
an object slides on a level surface in the x direction. it slows and comes to a stop with a constant acceleration of
A ball traveling with an initial momentum of 3.5 kg•m/s bounces off a wall and comes back in the opposite direction with a momentum of -3.5 kg•m/s
A 25 N block rests on a horizontal surface. The coefficients of static and kinetic friction between the surface and the block are 0.8 and 0.3, respectively. What is the force of friction acting on the block
Calculate the average discharge of the Mississippi River at New Orleans (in cubic feet per second) given the following parameters: (show your work)
A 52.5 g sample of a conducting material is all that is available. The resistivity of the material is measured to be 1.08 x 10-7 ohm*m and the density is 7.79g/cm3. What will be the diameter of the wire
Two circuits contain an emf produced by a moving metal rod, like that shown. The speed of the rod is the same in each circuit, other than the bulb in circuit 1 has one-half the resistance of the bulb in circuit 2.
Particles of charge +75, +48, and - 85 are placed in aline.The center one is 0.35m µC from each of the others. Calculate the net force on each charge due to the other two
A positive charge q=3.2 x 10^-19 C moves with a velocity v=(2i + 3j - k)m/s through a region where both a uniform magnetic field, What angle does the force vector make relative to the positive x axis
A fish swimming in a horizontal plane has a velocity vi = (3.3i + 1.6j) m/s at a point in the ocean where the position relitive to a certian rock is ri = (10.5i - 3.9j) m. After the fish swims with a constant acceleration for 20.6 s, it's velocity..
Two pianos each sound the same note simultaneously, but they are both out of tune. On a day when the speed of sound is 347 m/s, How much time separates successive beats
A typical human eye is nearly spherical and usually about 2.5 cm in diameter. Find the approximate size of each image (coin and friend) on her retina
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