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Transverse waves travel at 150 m/s on a wire of length 80 cm that is under a tension of 550 N. What is the mass of the wire
2.00 moles of an ideal gas is at a pressure of 1.50 atmospheres, What is the average kinetic energy per particle in the gas
A sonar generator on a submarine on the ocean surface produces periodic ultrasonic waves at a frequency of 2.50 MHz. How deep is the ocean floor
A train horn is heard at a 50 dB level by an observer 10 km away. What is the average power generated by the horn
A bartender slides a beer mug at 1.5 m/s towards a customer at the end of a frictionless bar that is 1.2m tall. how far way from the end of the bar does the mug hit
A projectile is launched with initial speed of 60 m/s at an angle of 30 degrees above horizontal. the projectile lands on hillside 4 seconds later. what is velocity at the highest point of trajector
A spacecraft has a nonrelativistic (or classical) momentum whose magnitude is 1.3e14 kg · m/s. Find the relativistic momentum of the spacecraft
If the hypotenuse of a right triangle is 6.00cm long, and the opposite is 4.00. What is the angle facing the opposite
15. An object weighing 300 N in air is immersed in water after being tied to a string connected to a balance. The scale now reads 265 N. find the density of the object
A liquid (p = 1.35 g/cm3) flows through two horizontal sections of tubing joined end to end. Calculate flow speed and pressure in the smaller section
A standing wave is set up in a 200-cm string fixed at both ends. The string vibrates in 5 distinct segments when driven by a 120-Hz source. What is the fundamental frequency for the string
A small ferryboat is 4.00 m wide and 6.00 m long. When a loaded truck pulls onto it, What is the weight of the truck
A ball is thrown from a window with Vo=2m.s at an angle of 53 degrees ABOVE the horizontal. From what height was the ball thrown
A man stands on a platform that is rotating (without friction) with an angular speed of 1.8 rev/s; what is the resulting angular speed of the platform
A dc motor is connected to a constant emf of 15.6 V. The resistance of its windings is 2.0 ohms. What is the back emf induced in the windings at normal speed
A wheel starts from rest and rotates about its axis with constant angular acceleration. What is the angular acceleration of the wheel
Two children are playing on a balanced seesaw. One child with a mass of 48 kg sits 1.4 m from the center. Where on the other side must the second child sit
An MSU linebacker of mass 112.0 kg sacks a UM quarterback of mass 84.0 kg. Just after they collide, how fast was the linebacker moving
A river steamboat travels 36 miles downstream in the same time that it travels 24 miles upstream. What is the currents speed
If a cube of a certain metal increases its volume from 15 cm3 to 17 cm3 as the temperature increases from 12°C to 28°C
The wake of a speedboat is 17â?? in a lake where the speed of the water wave is 2.8km/h. What Is the speed of the boat
A student doing an experiment pours 0.160kg of heated copper shot into a 0.355-kg aluminum calorimeter cup containing 0.240kg of water. What was the initial temperature of the shot
It takes 2.7×106J of heat to bring a quantity of water from 24?C to a boil. What is the mass of water
A student ate a Thanksgiving dinner that totaled 3000Cal . He wants to use up all that energy by lifting a 30-kg mass a distance of 1.0 m. How many times must he lift the mass
A space of 100 cm3 and one of 300 cm3 seperated by a capillary tube, in which a tap is arranged, connected. How big is the pressure in the related areas