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Weather surveillance satellite is launched into orbit with a period of 1.8 h mass of earth is 5.98 x 10^2 second the radius of earth is 6.37 x 10^3. Gradation constant is G 6.67 x10^-11. N-m^2/kg^2. Find the altitude of orbit? Find what tangential velocity is required for orbit?
A converging lens produces a real image magnified 3 times that of an object. If the object is placed at 15 cm from the lens, calculate the focal length of the converging lens
one mole of an ideal gas does 2600 j of work on its surroundings as it expands isothermally to a final pressure of 1.00
Each square centimeter of the surface of an infinite planesheet of paper has 2400000 excess electrons. Find the magnitude ofthe electric field at a point which is 4 cm from the surface of the sheet.
A car is traveling at 50.0 mi/h on a horizontal highway. If the coefficient of static friction between road and tires on a rainy day is 0.100, what is the minimum distance in which the car will stop
A satellite has a mass of 5939 kg and is in a circular orbit 4.94 × 105 m above the surface of a planet. The period of the orbit is 2.3 hours. What would be the true weight of the satellite
Infrared photons cause a particular piece of metal to emit photoelectrons. Would photoelectrons be emitted when the metal is illuminated by visible light?
A stone is dropped from rest into awell. The sound of the splash is heard exactly 2.50 s later. Find the depth of the well if theair temperature is 12.0°C
the uniform electric field between the two plates of a capacitor is 120 n and the potential difference between plates
Marisa does 3.2J of work to lower the window shade in herbedroom a distance of 8.0m. How much force must Marissa exert onthe window shade
Two packing crates of masses 10.0 kilogram and 5.00 kilogram are connected by a light string that passes over a frictionless pulley. Calculate the acceleration of the 5.00 kg crate and the tension in the string
A 4.00*102 g glass coffee cup is 20.0 C at roomtemperature. It is then plunged into hot dishwater at a temperatureof 80.0 C. If the temperature of the cup reaches that of thedishwater, how much heat does the cup absorb?
Consider a circuit with two resistors in parallel; R1=10 Ohm and R2=5 Ohm, Calculate the total current flowing through the battery
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