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Planet-X has a mass of 3.79×1024 kg and a radius of 5640 km. What is the First Cosmic Speed i.e. the speed of a satellite on a low lying circular orbit around this planet? (Planet-X doesn't have any atmosphere.) What is the Second Cosmic Speed i.e. the minimum speed required for a satellite in order to break free permanently from the planet? If the period of rotation of the planet is 17.8 hours, then what is the radius of the synchronous orbit of a satellite?
Charge Q = 17E-8 C is placed in the origin. Location A is -3.00m from the charge while location B is 2.00m from the charge. A) Find the potential difference VB - VA between the two points. B) Which point is at the higher potential? Type either "Po..
003 10.0 points A wire is made of a material with a resistivity of 1.72779 × 10^ ?8 ? · m. estimate the resistance of the wire?
(a)For a satellite to be in a circular orbit 660 km above the surface of the earth, what orbital speed must it be given (b)What is the period of the orbit (in hours)
A 3.0-V battery with an internal resistance of 2.5 Ω is connected to a lightbulb of a resistance of 6.0 Ω. How much electric power is wasted in the internal resistance
An airplane pilot wishes to fly due west. A wind of 72.0 km/h is blowing toward the south, What is the speed of the plane over the ground
The most intense beam of light that can propagate through dry air must have an electric filed whose amplitude is no greater than the breakdown value of Eair max= 3.0*10^6 V/m, CALCULATE THE MAXIMUM AMPLITUDE OF THE MAGNITIC FILED
The reactance of a capacitor is 2.5 k? at a frequency of 1.5 kHz. What is the capacitance in nano-farads
A tennis racket has nylon strings. If one of the strings with a diameter of 1 mm is under the tension of 15 N, how much is it lengthened from its original lenght of 40 cm.
Water flows at 0.60 m/s through a 3.0 cm diameter hose that terminates in a 0.25 cm diameter nozzle. At what speed does the water pass through through the nozzle
Suppose that a radioactive sample contains equal numbers of two radioactive nuclides A and B at t = 0. Find the ratio of the decay rates or activities RA/RB
A whale swims due east for a distance of 5.1 km, turns around and goes due west for 6.1 km, What is the total distance traveled by the whale
A box with a mass of 5 kg initially moving at 3 m/s comes to rest in a distance of 9 m. what is the magnitude of the net force acting on the box
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