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Calculate the specific heat of a metal. in J/kg.K, from the following data. A container made of the metal has a mass of 3.6 kg and contains 14.5 kg of water, a 1.8 kg of the metal initially at temperature of 186.0 °C is dropped into the water. the container and the water have a initial temperature of 16.0°C and the final temperature of the entire system is 18.0°C.
a ball is launched at the speed vo at the angle 60 degrees by a basketball player at the height of 2m from the ground.
A wall is composed of two materials, material 1 has a thickness of 3.68 cm and a thermal conductivity of 0.1 J/msCo while material two has a thickness of 6.02 cm, what is the energy loss per second to the nearest watt
A bug starts at the origin of the xy coordinate system with an initial velocity of (2.2 + -0.4) m/s, What is the y position of the bug at t=2 seconds
an 800 vm electric field is directed along the x axis. if the electric potential at x0m is 2000v what is the electric
A stone is dropped into a river from a bridge 41.9 m above the water. What is the initial speed of the second stone
a 5kg Potter's wheel (model as a disk) with radius 0.3m is spinning at 5 rad/s. what is the mass of the clas
a calculate the absolute pressure at the bottom of a fresh-water lake at a depth of22.9m. assume the density of the
A magnifying glass uses a converging lens with a focal length of 15.5 cm. It produces a virtual and upright image that is 3.3 times larger than the object. How far is the object from the lens
the electron in a hydrogen atom is infintely distant at zero potential energy and is at an average radius of a0=.0529 nm when bound by 13.6 eV. find the nearest principal quantum number in this state
A beam of neutral hydrogen atoms with a speed of 104 m/s along the x-axis enters a 1 m long region, compute The acceleration of the atoms while in the magnetic field region
a free electron and a free proton are exactly 1.3 cm apart.a find the magnitude of the acceleration of the proton.
Two spheres are launched horizontally from a 1.2 -high table. Sphere is launched with an initial speed of 4.5. find the distance that sphere travels from the edge of the table
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