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Question: Do you need to know the mass of an individual molecule in order to find its rms velocity? Explain using Eq.
nMRT = 1 M(v2) = 2 1 M(v2) = 2(K), 3 3 2 3
An unstrained horizontal spring has a length of 0.36 m and a spring constant of 290 N/m. Two small charged objects are attached to this spring, one at each end. The charges on the objects have equal magnitudes. Because of these charges, the spring st..
A 65.0 {\rm kg} person is put on an exercise program by a physicaltherapist, the goal being to burn up 510 food calories in eachdaily session. How many jumps should the person do persession
A 60kg (including equipment) Olympicski-jumper starts with pushes off from the starting gate (A),giving her an initial velocity of 3m/s. What is the maximum speeds he attains
When a current flows in an aluminum wire of diameter 4.51 mm, the drift speed of the conduction electrons is 1.85 × 10-4 m/s. What is the electron current in the wire
The left ventricle of the heart accelerates blood from rest to a velocity of + 29.5 cm/s. How much time does blood take to reach its final velocity
a farsighted person has a near pont that is 67cm from her eyes. she wears eyeglasses that are designed to enable her to read a newspaper held at a distance of 25cm from her eyes. find the focal length of the eyeglasses
A ball of aluminum of radius 1cm is dropped from a height of 2 meters. How long does it take
Use Coulombs' law and integration to find the electric field inside a hollow cylindrical shell with surface charge density ps and surface radius a
how long will it take a protein of molecular weight equal to 90000 gmole to diffuse a distance of 1 mum?assume that the
In a two-slit interference experiment of the Young type, the aperture to screen distance is 3 m and the wavelength is 400 nm. If it is desired to have a fringe spacing of 1 mm, what is the required slit separation.
A copper rod has a length of 1.3 m and a cross-sectional area of4.7 x 10-4 m2. What is the mass of ice per second that melts
What is the magnetic field at the position of the dot in the figure? What is the direction of the electric field at the dot?
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