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Two groups of canoeists meet in the middle of a lake. After a brief visit, a person in canoe 1 pushes on canoe 2 to separate the canoes. Assume the speeds of the two canoes after they are pushed apart are 0.60 m/s for canoe 1and 0.44 m/s for canoe 2.
If the mass of canoe1 is 350 kg, what is the mass of canoe2?
A source emits sound of wavelength 2.54m an 2.74m in air. Use the speed of sound=343m/s. Write the equations of these two traveling waves in complex exponential notation as a function of wave speed and number. What is the sum of these two waves?
The frequency of light reaching Earth from a particular galaxy is 8% lower than the frequency the light had when it was emitted. What is the speed of this galaxy relative to the Earth
A playground merry-go-round of radius 2.00 m has a moment ofinertia I = 300kg·m2 and is rotating about a frictionlessvertical axle. What is the angular speed of the system when the child reaches the edge
A particular fish tank filled with fresh water (n = 1.33) has a coral reef sticker stuck to an exterior wall, What is the index of refraction of the tank's walls
Consider a small virus having a diameter of 10nm . The atoms of the intracelluar fluid are confined within this "box". What is the ground state energy (in eV) of a sodium ion confined in such a box
how does friction applied to the hot wheels track, Why would 20 degrees have a higher range (delta x) than 15-20 degrees
The front and rear sprockets on a bicycle have radii of 8.67 and 5.55cm, respectively. Calculate the linear speed (in cm/s) of the chain as it moves between the sprockets
The wheels of a wagon can be approximated as the combination of a thin outer hoop, of radius rh = 0.209 m and mass 4.70 kg, and two thin crossed rods of mass 9.95 kg each. what should the radius of the disk be
Constructive interference of sound waves occurs when:
What is the magnitude T of the tension force acting on one edge of the section while the internal bladder pressure is 2700Pa and each of the four tension forces is directed 6.4° below the horizontal.
Consider a bicycle wheel rotating about it's axel. If it is rotating at 2 revolutions per second, and the radius of the wheel is 0.35 m, what is the kinetic energy of the rotating wheel
George just graduated from college and is going on his first job interview. He has learned that there are two other candidates. Because of the information he has learned about the serial position effect, George asks to be either the first or the last..
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