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The equation of a transverse wave traveling along a very long string is y = 7.20 sin(0.0782?x+ 3.62?t), where x and y are expressed in centimeters and t s in seconds. Determine (a) the amplitude, (b) the wavelength, (c) the frequency, (d) the speed, and (e) the maximum transverse speed of a particle in the string. (f) What is the transverse displacement at x = 2.27 cm when t = 0.754 s? Give your answers in centimeter-based units, where applicable.
An engine draws energy from a hot reservoir with a temperature of 1250 K and exhausts energy into a cold reservoir with a temperature of 355 K. What is the power output of this engine
The heaviest invertebrate is the giant squid, which can have a weight of about 1.5 tons spread out over its length of 70 feet. What is its weight in newtons
830 J of heat is added to an ideal gas which is maintained at a constant temperature and a pressure of 1.0 atm. what is the final volume
Based on EPA estimated carbon credits value of $70 per metric ton of carbon in 2050, estimate the financial value of the carbon market for the coal-fired electricity system in the US. Briefly put that dollar value in perspective.
A copper cable is designed to carry a current of 400.00 A with a power loss of 2.00 W/m. What is the required radius of this cable
A 890kg sports car collides into the rear end of a 2500kg SUV stopped at a red light. The bumpers lock, calculates the speed of the sports car at impact
A 1.00 kg block of ice at 0 C and 1.00 atm melts completely to water at 0C. calculate the change of the etrophy of the ice during the melting process
A sphere of mass ofm= 1.40 kg is first placed directly on the plate of an electronic scale. The scale shows 13.73 N as the weight of the object. Calculate the density of the sphere
A CD with a diameter of 12.0 cm starts from rest and with a constant angular acceleration of 1.00 rad/sec2 acquires an angular velocity of 5.00 rad/sec.
An airplane takes off and flies 225 km on a course of 25 degrees north of west and then changes direction and flies 135 km due north where it lands. At what angle is the plane from the starting point
A negative charge of -2.0 10-4 C and a positive charge of 9.5 10-4 C are separated by 0.24 m. What is the force between the two charges
A spaceship moves with a speed v = 0.86c relative to a space platform that has a landing strip 4500 m long. What is the apparent length of the landing strip
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