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A cart of mass 250 g is placed on africtionless horizontal air track. A spring having a springconstant of 9.0 N/m is attachedbetween the cart and the left end of the track. When inequilibrium, the cart is located 12 cm from the left end of thetrack. If the cart is displaced 4.3 cmfrom its equilibrium position, find the following values.
(a) the period at which it oscillates
s
(b) its maximum speed
m/s
(c) its speed when it is 14 cm from the left end of the track
The diffusion constant for the alcohol ethanol in water is 1.24 10-9 m2/s. A cylinder has a cross-sectional area of 3.85 cm2 and a length of 1.86 cm. what mass of ethanol diffuses through the cylinder
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A hydrogen atom is in its ground state when its electron absorbs a 48 keV photon. What's the energy of the resulting free electron
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A rifle with the barrel length of 62cm fires a 12g bullet with a horizontal speed of 380m/s. The bullet strikes a block of wood and penetrates to a depth of 14cm. What resistive force (assumed to be constant) does the wood exert on the bullet? How lo..
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