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(a) Compute the rms speed of a nitrogen molecule at 12.0°C.
m/s
(b) At what temperature will the rms speed be half that value?
K
(c) At what temperature will the rms speed be twice that value?
A guitar string of diameter 0.6 mm and length 0.74 m is subject to a tension of 140 N. what is Young's modulus of the string
What is the direction of the force that the unknown charge exerts on the charge of magnitude 0.580uC?
Find the rotational frequency of the wheel.
A series RLC circuit has a resistance of 24 ? and an impedance of 105 ?. what average power is delivered to the circuit
An energy storage system based on a flywheel (a rotating disk) can store a maximum of 3.2 MJ, What is the moment of inertia of the flywheel
Your friend, who is exactly the same age as you, travels at a speed of 0.9990c to a star 25 light-years away. How long does she measure for the time she is away
What is the tension in the string.At one time, television sets used "rabbit-ears" antennas. Such an antenna consists of a pair of metal rods.
What is height of the cliff
The altitude of a hang glider is increasing at a rate of 6.80 m/s. At the same time, the shadow of the glider moves along the ground at a speed of 15.5 m/s when the sun is directly overhead. Calculate the magnitude of the glider’s velocity.
A piece of balsa wood with density 0.50g/cm^3 is released under water. What is the initial acceleration?? Repeat for a piece of maple with density 0.760 g/cm^3? Repeat for a ping-pong ball with the average density of 0.127 g/cm^3.
A sphere that is a perfect blackbody radiator has a radius of 0.140 m and is at 250°C in a room where the temperature is 27°C. find the net rate at which the sphere radiates energy.
how to calculate the average velocity between to minutes. Estimate how for you can throw a ball if you throw it in the following situations.
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