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Question- At what Kelvin temperature does the rms speed of the oxygen (O2) molecules in the air near the surface of the earth become equal to the escape speed from the earth? (R= 8.31 6 J/mol · K; molar mass of O2 gas is 32 g/mol; radius of the earth RE = 6.37 × 10 m; the 5 escape speed from the earth is 11.2 km/s)
I need to determine the answer of the above question.
A circular solenoid contains 100 turns of wire and carries a current of 2 amps. Its radius is 1 cm and its length is 10 cm. Calculate the magnetic flux through one turn of the wire
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The height of a helicopter above the ground is given by h = 3.35t3, where h is in meters and t is in seconds. How long after its release does the mailbag reach the ground
we can assume that the arm moves with constant speed during each swing. Illustrate what is the acceleration of a 1.3g drop of blood in the fingertips at the bottom of the swing?
Calculate the change in internal energy when 1 mole of liquid water at 1atm and 100 degrees C is evaporated to water vapor at the same pressure and temperature, given that the molar volumes of the liquid and the vapor at these conditions are 18.8 cm^..
At the end of the trip she measures the pressure to be 3 105 Pa. Ignoring the expansion of the tires, find out the air temperature inside the tires at the end of the trip.
What is the gravitational potential energy of the stone-Earth system before the stone is released.?
q1. a 5.19 g lead bullet travelling at 252 ms is stopped by a large tree. if half the kinetic energy of the bullet is
A ball is thrown upward from the ground with an initial speed of 25 m/s, at the same instant another ball is dropped from a building 15 m high. How long will the balls be at the same height
a 15.0-v battery is attached to a 1.50-mf capacitor and a 160-? resistor.a once the capacitor is fully charged what is
An aluminum calorimeter with a mass of 100 g contains 250 g of water. The calorimeter and water are in thermal equilibrium at 10.0°C. Determine the specific heat of the unknown sample
question two subway stops are separated by 1100 m. if a subway train accelerates at 1.2ms2 from rest through the first
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