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Suppose a string of length l under a certain tension has a fundamental frequency of 120 Hz. If the length is tripled to 3L while maintaining the same tension, what is the new fundamental frequency?
The flywheel in a car is a solid cylinder with a mass of 100 kg, a radius of 12 cm, and a length of 5.0 cm. What is the kinetic energy of the cylinder
A solid spherical mass M2 = 30 kg and radius 20 cm is concentric with a spherical shell M1 = 60 kg, determine the gravitational force on mass m
a falling rubber ball bounces off the floor. the velocity just before it hits the floor is Vi= (2.7m/2) x + (5.2m/s)y. what is the change in momentum of the ball from just before to just after it is in contact with the floor
The strength of interatomic bonding in two elemental crystalline materials is approximately the same, but Material #1 is composed of atoms that are approximately 4 times heacier compared to Material #2.
An electron enters a region of space containing a uniform 0.0000201-T magnetic field. Find the radius of the electrons path, and the frequency of the motion
Two converging lenses are separated by 23.60 cm. The focal length of each lens is 11.00 cm, Determine the final image distance relative to the lens on the right
michael hits a 45.9 g golf ball traveling 56.0 m/s at an angle 60 degree north of east and splits into three pieces. what is the velocity of the third piece
Suppose you make a new kind of compact disk that is the same thickness as a current disk but twice the diameter
Two lens system: The original object is 20 cm to the left of a lens with a focal length of +10 cm, Find the location and magnification of the final image. Be sure to show or tell me from where you are measuring this final location
A heat pump moves heat from outside, where the temp is 1 degree C, to inside a building, where the temp is 20 degrees C, How much heat is dumped into the building in each cycle
An MRI technician moves his hand from a region of very low magnetic field strength into an MRI scanner's 2.00-T field with his fingers pointing in the direction of the field.If the resistance of the ring is 1.00 m?, how much heat will be transferre..
A recording engineer works in a soundproofed room that is 39.4 dB quieter than the outside. what is the intensity outside
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