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A satellite is in a circular orbit around an unknown planet. The satellite has a speed of 1.70 104 m/s, and the radius of the orbit is5.00 106 m. A second satellite also has a circular orbit around this same planet. The orbit of this second satellite has a radius of8.40 106 m. What is the orbital speed of the second satellite? Show all work.
A 3-m-long rigid beam with a mass 120 {rm kg} is supported at each end. An 70 {rm kg} student stands 2.0 {rm m} from support 1. How much upward force does support 1 exert on the beam.
Two wires are identical, except that one is aluminium and one is gold. The aluminium wire has a resistance of 0.18. What is resistance of the gold wire.
find out the change in electric potential energy. For lengths of 1.000 m, 0.750 m, and 0.500 m, total time.
Determine the location at which the tuning is formed and the vibrating frequency of a string to form a standing wave pattern.
A shell of mass m and speed v explodes into two identical fragments. If the shell was moving horizontally (the positive x direction) with respect to Earth, and one of the fragments is subsequently moving vertically with speed v, find out the velocity..
An object has a total energy of 5.60 × 1015 J and a kinetic energy of 1.40 × 1015 J. find the magnitude of the object's relativistic momentum
What mass (in grams) of steam at 100°C must be mixed with 251 g of ice at its melting point, in a thermally insulated container, to create liquid water at 66.0°C? The specific heat of water is 4186 J/kg·K. The latent heat of fusion is 333 kJ/kg, an..
A binary system consists of two stars that revolve in a circular orbit about a center of mass midway between them. This means that the masses of two stars are equal. Suppose the orbital speed of each star is 285 km/s and the orbital period of each..
The speed of object at displacement x = 20 m. The change in the momentum of the object at it is displaced from x = 12 to x = 20 m.
A photon of wavelength 0.50801 nm strikes a free electron that is initially at rest. What is the speed of the recoil electron after the collision
Two positive point charges, each 12\mu C , lie along the x-axis at x = -0.10m and x = +0.10m. Find the electric field at the point (0, 0.25m ) on the y-axis
You are the science officer on a visit to a distant solar system. Prior to landing on a planet you measure its diameter to be 1.8x10^7m and its rotation period to be 22.3 hours, find the mass of the planet and star
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