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Scientists in a laboratory produce a sound wave in a simulated environment (air) with a velocity of 416 meter per second. Obtain the temperature of the environment?
question a 40.2 l constant-volume cylinder containing 2.21 mol he is heated until the pressure reaches 4.20 atm. what
On an old-fashioned rotating piano stool, a woman sits holding a pair of dumbbells at a distance of 0.650m from the axis of rotation of the stool. What is the initial angular momentum of the system
A child slides down a snow covered slope that makes an angle of 20 degrees with the horizontal. At what angle would the child slide with constant speed
a person is exercising burning 550 calhr. while doing this exercise they breath deeply so the volume they take into and
A 3.00-g copper penny at 25.0 C drops 50.0 m to the ground. (a) If 60 percent of the initial potential energy of the coin earth system goes increasing internal energy of the coin determine the coin's final temperature (b) does the result depends on m..
A marble rolls down an incline of 30 degrees. If the marble is initally at rest at the top ofthe incline of length 2.0 meters what will the speed of the marble be at the bottom of the incline
The engineer of a passenger train traveling at 25 meter per second sights a freight train whose caboose is 200 meter ahead on the same track. Obtain the speed of the passenger train just before the collision
An inductor is connected to a 20.0 Hz power supply that produces a52.0 V rms voltage. What inductance is required to keep the maximum current in the circuit below79.0 mA?
A steel ball rolls by constant velocity across a tabletop 0.950 m high. It rolls off and hits the ground 0.352 m from the edge of the table. How fast was the ball rolling?
A long solenoid that has 1,105 turns uniformly distributed over a length of 0.452 m produces a magnetic field of magnitude 1.00 10-4 T at its center
An asteroid is moving along a straight line. A force acts along the displacement of the asteroid and slows it down. The asteroid has amass of 5.7×104 kg, and the force causes itsspeed to change from 7400 to 5900 m/s. (a) What isthe work done by the..
A 91.0kg spacewalking astronaut pushes off a 635kg satellite; exerting an 110N force for the 0.550s it takes him to straighten his arms. How far apart are the satellite and the astronaut after 1.00min?
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