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The middle C string on a piano is under a tension of 900 N. The period and wavelength of a wave on this string are 3.82 ms and 1.13 m, respectively. Find the linear density of the string.
A 36.0 g bullet moving at 478 m/s strikes a 3.7 kg bag of flour that is on ice, at rest. The bullet passes during the bag, leaving at 255 m/s. How fast is the bag moving when the bullet exits.
An anchor shoots an arrow with a velocity of 45 m/s at the angle of 50 degrees with the horizontal.An assistant standing on the level ground 150 m downrange from the launch point throws an apple straight up into the air at th right time and speed ..
Two identical particles of mass m approach each other at equal and opposite speeds, v. How much kinetic energy was lost in this collision
determine the resultant displacement graphically.what is the magnitude of repulsive force pushing these two spheres apart.
Suppose you are using total internal reflection to make an efficient corner reflector, what must be the minimum index of refraction of the material
find the ratio of vb to vr, where vr is defined above and vb is the boats speed with respect to the water.
An LRC circuit is connected to a 12.0-kHz , 745-V (rms) source, L = 28.0mH , R = 8.80k? , and C = 6350pF, Determine the total impedance
A black, totally absorbing piece of cardboard of area A = 3.0 cm2 intercepts light with an intensity of 3.9 W/m2, What radiation pressure is produced on the cardboard by the light
Two figure skaters, one weighing 625N and the other 700N , How much kinetic energy is created during the skaters maneuver
The density of ice is 917 kg/m3, and the density of sea water is 1025 kg/m3. What is the weight of the heaviest bear
If a parallel mirror He-Ne laser had a homogeneous line shape with v=1.5GHz, and small signal peak coefficient of .001/cm length=100cm and reflectance's 100 percent and 97 percent, how many longitudinal modes would initially contribute to the laser o..
The catapult on an aircraft carrier can take an aircraft weighing 300,000 N from 0 to 80.6 m/s in 12.6 seconds, find the acceleration of the aircraft when it launches
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