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Approximately what temperature would a gas be if it is to expand from a 1ft cubed volume of gas to a 3m cubed volume of gas based on the combined gas law if the initial temperature is 298K and the pressure does not change.
A light plane attains airspeed of 500 km/h. The pilot sets out for a destination 820 km due north but discovers that the plane should be headed 20.0° east of due north to fly there directly. The plane arrives in 2.00 h.
A rocket ship is in orbit around Jupiter. The radius of the orbit is 3 times the radius of Jupiter (the radius of Jupiter is 71,500 kilometer). What is the period of the rocket ship orbit
A car with a mass of 1000 kg is driving over a hill at a constant speed of 60 m/s. What is the weight (in N) of the car at the top of the hill
A periodic wave is produced in a stretched string by a mechanical oscillator operating at a frequency of 420. Hz. The linear density of the string is 0.00400 kg/m and the wavelength is 0.0700 m. Calculate the tension in the string.
A string provides a horizontal force which acts on a 500 N rectangular block at top right-hand corner. The length on top of block is 0.7m and the length on the side of the block is 1m. If the block slides with constant speed, find the tension in t..
a ball of mass m is dropped from a cliff. as the ball falls it is subject to air resistance such that the acceleration
a satellite is in low earth orbit but for one reason or another its orbit is decaying. this means the satellite is
A baseball pitcher throws the ball in a motion where there is rotation of the forearm about the elbow joint as well as other movements. what is the rotational kinetic energy of the forearm
A string has a tension of 19.1 N. A wave travels on the string with a frequency of 65 Hz and a wavelength of 0.90 meters. What is the linear mass density of the string
The ideal gas model is valid if?
If the coefficient of kinetic friction between a 35.0 kg crate and the floor is 0.25, what horizontal force is required to move the crate at a steady speed across the floor
A typical lightning flash delivers about 15 C of negative charge from cloud to ground. How many electrons are involved
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