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A copper pot with a mass of 0.505 contains 0.175 of water, and both are at a temperature of 21.0 . A 0.255 block of iron at 86.0 is dropped into the pot. Find the final temperature of the system, assuming no heat loss to the surroundings?
suppose the memebers of an orchestra are tuning up their instruments, whats's the speed of the wave along the violin string
An object is placed 11.7 cm to the left of a diverging lens of focal length -5.81 cm. Find the distance d that places the final image at infinity
An ideal gas initially at pressure 8.0 atm and temperature 300K expands adiabatically until its volume doubles. Find the final pressure and temperature
A 15,000 kg F-18 (jet fighter) lands at 50 m/s on an aircraft carrier, its tail hook snags the cable to slow it down. The cable is attached to a spring with a spring constant of 62,000 N/m. How far does the spring stretch to stop the jet?
Ships A and B leave port together. For the next two hours, ship A travels at 40.0mph in a direction 55.0, What is the distance between the two ships two hours after they depart
An object executing simple harmonic motion has a maximum speed of 4.4 and a maximum acceleration of 0.66 , Find the amplitude of this motion in meters
Calculate the inductance (SI units: Henries) of a coil of wire having a loop diameter of 0.5 cm and length of 1 cm. The wire has 1000 loops per meter
A 9kg block is connected by a string over a light pulley to a 5kg block that is sliding over a flat table (i.e. the 9kg is pulling the 5kg off the table). If Co-efficient of kinetic friction is 0.200, find the tension in the string.
A wire 28.0 cm long lies along the z-axis and carries a current of 8.50 A in the +z-direction. find the magnitude of the net magnetic force on the wire
Given that the goal is to allow all vehicles to come safely to a stop before reaching the intersection, calculate the maximum desired speed limit
A spherical ball of material is rotating about its center at 35 rad/s. It has a mass of 2.0 kg and a radius of 0.11 m. what will be its rate of rotation
A village maintains a large tank with an open top, containing water for emergencies. The water can drain from the tank through a hose of diameter6.55cm. compute the friction force exerted by the nozzle on the stopper
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