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The equation of a transverse wave on a string is y = (6.1 mm) sin[(30 m-1)x + (300 s-1)t] The tension in the string is 42 N.
(a) What is the wave speed? put answer in m/s and three significant digits.
Calculate the speed of the second ship with respect to Earth if it is fired in the same direction the first spaceship is already moving
A rectangular container measuring 23 cm 51 cm 65 cm is filled with water. What is the mass of this volume of water in kilograms and grams.
A 50 kg person climbing a rope slides down after reaching the top. find The frictional force acting upward on the person
A piece of copper wire joins a piece of aluminum wire whose diameter is twice that of the copper. The same current flows in both wires, Compare the drift speeds in each
What stage of the scientific method would someone be at if they make a prediction that drinking alcohol will make people more violent throughout a sporting event.
How much would it cost just to keep the hot water inside the heater for one week? d)Suppose that you wrap the hot water heater on all sides with a 10 cm thick blanket of fiberglass insulation which has a thermal conductivity of 0.04 W/(m K).
what is the derivative of position as a function of time? what is the derivative of velocity as a function of time
small metal bead, labeled A, has a charge of 26 . It is touched to metal bead B, initially neutral, then that the two beads share the 26 charge, but not required equally. When the two beads are then placed 5.0 apart, force between them is 5.4×10-..
A cell membrane has a surface area of 1.00 x 10-7 m2, a dielectric constant of 5.17 and a thickness of 8.17 nm. How many positive ions are there on the outside of the membrane
The displacement of a wave traveling in the positivex-direction is y(x,t)=(3.5cm)cos(2.7x?92t), wherex is in m and t is in s, What is the wavelength of this wave
A team of scientists have arrived at the Galactic Center Black hole(mass of 7.95e36 kg). Having parked their spaceship in orbit at a safe distance around the back hole, what range of angles are needed to optimize the radio
Two lenses that are 35 cm apart are used to form an image. Lens 1 is diverging and has a focal length of f1= -7.0 cm; Use a ray diagram to find the approximate location of the final image
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