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(a) Find the speed of a satellite moving around the earth in a circular orbit that has a radius equal to three times the earth's radius of 6.38 106 m.
(b) Find the satellite's orbital period.
A 0.21-kg coffee mug is made from a material that has a specific heat capacity of 900 J/(kg · C°) and contains 0.36 kg of water. determine the minimum power rating of this heater
The cord between the pouch and the person's hand has negligible mass and will break when the tension in the cord is 33.0 N or more. Assume the sling thrower could gradually increase the speed of the stone.
A jet airplane is in level flight. The mass of the airplane is m = 8850 kg. The plane travels at a constant speed around a circular path of radius R = 8.23 miles, What is the magnitude of the lift force acting on the plane
An outboard motor for a boat is cooled by lake water at 14.7°C and has a compression ratio of 14.9. Assume that the air is a diatomic gas. Calculate the efficiency of the engine's Otto cycle
Three resistors having resistances of 1.20 ohm, 2.50 ohm , and 4.60 ohm are connected in parallel to a 25.0 V battery that has negligible internal resistance. Find the equivalent resistance of the combination.
A friend of yours is loudly singing a single note at 380Hz while racing toward you at 26.5m/s on a day when the speed of sound is 346m/s. What frequency does your friend hear if you suddenly start singing at 380Hz
A rocket traveling at 0.450c sets out for the star, which is 4.35ly away from earth. According to the stay-at-home earthlings, how long will the journey last
Find the electric energy density between the plates of a 225- parallel-plate capacitor. The potential difference between the plates is 360
A battery has an emf of 5.9 V and internal resistance of 0.78 ?. The battery is attached to the load resistor R = 7.3 ?. Find the electric current in the circuit.
During an adiabatic expansion the temperature of 0.430 moles of argon (Ar) drops from 54 C to 15 C. How much work does the gas do
A 2.31-kg bucket is attached to a disk-shaped pulley of radius 0.109 m and mass 0.801 kg. What is the angular acceleration of the pulley
Two small objects are hung, from a point, on strings 50 cm long. they each have mass .06 grams and are given equal charge, What is the magnitude of the charge on each object
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