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A stretched string has a fundamental frequency of 175 Hz. Discover the new frequency if you simultaneously do all of the following 3things: you increase the tension in the string by a factor of 4, and you double its length and you decrease the mass per unit length of the string by a factor of 9.
1. 175 Hz
2. 350 Hz
3. 525 Hz
4. 700 Hz
5. 1575 Hz
A particle whose mass is 2 kg moves in the xy plane with a constant speed of 3 m/s in the x-direction along the line y = 5. What is its angular momentum (in kg m2/s) relative to the origin
The Beretta Model 92S (the standard-issue U.S. army pistol) has a barrel 127 {\rm mm} long. For how long is the bullet in the barrel
A 671-kg cannon fires a 18.5-kg projectile with a speed of 273 m/s with respect to the muzzle. what is the speed of the projectile with respect to the ground
q1. an electron starts from rest 75.5 cm from a fixed point charge with q -0.150 microc. how fast will the electron be
two hand-held radio transceivers with dipole antennas are separated by a large fixed distance. assuming a vertical
A refracting telescope has an objective and an eyepiece that have refractive powers of 1.25 diopters and 300 diopters, respectively. Find the angular magnification of the telescope
A sphere of radius 10.0 cm floats in equilibrium partially submerged in water with its lowest point 5.00 cm below the water's surface. What is the buoyant force acting on the sphere
question1a 0.145-kg baseball pitched horizontally at 39 ms strikes bat and is popped straight up to a height of 32 m.
When four people with a combined mass of 340 kg sit down in acar, they find that the car drops 0.90 cm lower on its springs. What is the frequency of the car's vibration
At the instant a ball rolls off a rooftop it has a horizontal velocity component +12.0m/s of and a vertical component (downward) of 10.0m/s, What is the ball's speed as it leaves the roof
A playground merry-go-round has a disk-shaped platform that rotates with negligible friction about a vertical axis. how fast will the disk be turning
The frequency of a tuning fork is 358 Hz. Find the length of the shortest organ pipe which will give 6 beats/s with the fork. The velocity of sound in air is 339.1 m/s.
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