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Given the standard molar volume of gas is 22.71 L/mol at a temp of 273.15K and a pressure of 1 bar, what is the value of the ideal gas constant in units of L x atm divided by mol/K. Please show work
A golfer tees off on level ground, giving the ball an initial speed of 38.5 m/s and an initial direction of 36.0° above the horizontal. (a) How far from the golfer does the ball land? (Neglect air resistance.)
A charged particle A exerts a force of 2.69 ?N to the right on charged particle B, when the particles are 14.0 mm apart. Particle B moves straight away from A to make the distance between them 17.0 mm. What vector force does it then exert on A?
A scaffold of mass 44 kg and length 6.0 m is supported in a horizontal position by a vertical cable at each end. What is the tension in the cable closer to the painter
The electric field strength is 5*10^4 N/C inside a parallel-plate capacitor with a2.2mm spacing, What is the proton's speed when it reaches the negative plate
The lab experiment is repeated with the same two glass plates but with a different human hair. Calculate the diameter of the hair
A beam of blue light of wavelength 500 nm has an intensity of 170 W/m^2, How many photoelectrons are emitted from the potassium plate per second
A force F = 4.2 Ni + 3.7 Nj + 1.2 Nk acts on a particle located at x = 3.3 m. What is the torque on the particle around the origin
A 17-cm-long microscope has an eyepiece with a focal length of 3.1cm and an objective with a focal length of 0.35cm. What is the approximate magnification
A sample contains 8.30×104 radioactive nuclei. In a time of 5 minutes, Evaluate the half life of the sample
How to find the length
Suppose the traffic light is hung so that the tensions T1 and T2 are both equal to 84.7 N. Find the new angles they make regarding the x axis. (By symmetry, these angles would be the same.)
The range of human hearing is roughly from twenty hertz to twenty kilohertz. what are the lengths of the longest and shortest pipes
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