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A spring lies on a horizontal table, and the left end of the spring is attached to a wall. The other end is connected to a box. The box is pulled to the right, stretching the spring. Static friction exists between the table and the box, thus when the spring is stretched only by a small amount and the box is released, the box does not move. The mass of the box is 0.70 kilogram, and the spring has a spring constant of 52 N/m. The coefficient of static friction between the box and the table on which it rests is μs = 0.80. Determine how far can the spring be stretched from its unstrained position without the box moving when it is released?
Consider three resistors with unequal resistances connected in series to a battery. Which of the following statements are true? 1. The current flowing through each of the resistors is the same and is equal to the current supplied by the battery.
A magnetic computer disk 7.0 cm in diameter is initially at rest. A small dot is painted on the edge of the disk. The disk accelerates at 590 rad/s2 for 1/2 s, Through how many revolutions has the disk turned
Coherent light with wavelength 601 passes through two very narrow slits, and interference pattern is observed on a screen a distance of 3.00 from the slits.
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two speakers are driven by the same oscillator at frequency 420 hz. one speaker is mounted on the ceiling and the
Calculate the probability of an electron in the ground state of the hydrogen atom being inside the region of the proton (radius = 1*10^-15 m). (Hint: note that r
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