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A string is fixed at both ends and is vibrating at 120 Hz, which is its third harmonic frequency. The linear density of the string is 5.15e-3 kg/m, and it is under a tension of 3.5 N. Determine the length of the string. Answers in meters please.
A typical photovoltaic cell delivers 4.0×10?3W of electric energy when illuminated with 0.11W of light energy. What is the efficiency of the cell
A 92-kg skier is sliding down a ski slope that makes an angle of 30 degrees above the horizontal direction. what is the acceleration of the skier
a pendulum of length l and mass m hangs from a bead of mass m that moves frictionlessly along the curve yx4 . use y the
When the concave side is used as a mirror, the magnification is +2.9. What is the magnification when the convex side is used as a mirror, the object remaining the same distance from the mirror
Consider the system of capacitors shown in the figure below (C1= 2.00 uF, C2= 3.00 uF). Find the total energy stored by the group
for a projectile launched horizontally which of the following best describes the vertical component of a projectiles
an object is initially moving with a speed of 10.0 ms in the direction 60.0 degrees n of e. ten seconds later the
The average banana contains 0.436 g of potassium, and 0.012% of naturally occuring potassium is 40K, What is the activity of a freshly picked bunch containing four bananas
Mark pushes his broken car 150m down the block to his friend's house. He has to exert a 110N force to push the car at a constant speed. How much Thermal Energy is created
A magnetic-field technique for stabilizing a He-Ne laser to 2parts in 1010has been patented. At 632.8 nm, what would be the coherence length of a laser with such frquency stability
Two submarines are on a secret mission and need to arrive at a location in the middle of the Atlantic Ocean at the same time. They start out at the same time from positions equally distant from the redezvous point.
A ladder with a mass of 16 Kg is placed on a frictionless vertical wall, see fig. A 75 Kg person climbs up the ladder but notices the ladder slipping. what percent of the length of the ladder did the person climb
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