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A 169 g cube of ice at0?C is dropped into 2.9 kg of water that wasoriginally at 79?C.
What is the final temperature of the water after after the ice melts?
what must be his average speed if he is heading 30.0° south of west for the remaining 54.6 min? mi/h (b) What is his average velocity for the entire trip?
A cart running on frictionless air tracks is propelled by a stream of water expelled by a gas-powered pressure washer stationed on the cart. What is the velocity of the cart at that time
Two runners of mass 70kg and 60kg, respectively, have a total linear momentum of 350 kg•m/s. The heavier runner is running at 2.0 m/s. Determine the likely speeds of the lighter runner.
Consider an electron in the ground state of the hydrogen atom, separated from the proton by a distance of 0.0529 nm. Viewing the electron as a satellite orbiting the proton in the electrostatic potential, calculate the speed of the electron in its ..
An antiaircraft shell is fired vertically upward with an initial velocity of 200m/s. compute the maximum height of the shell
A spaceship is approaching a space station at a speed of 1.8E5m/s. The space station has a beacon that emits green light with afrequency of 6.0E14 Hz. What is the change in frequency
Two objects of weight W1 and W2 are placed on a frictionless inclinced plane are connected by a massless string looped over a massless pulley. Find the acceleration of the two objects
What is the total negative charge, in coulombs, of all the electrons in a small 1.05g sphere of carbon? One mole of C is 12.0g, and each atom contains 6 protons and 6 electrons.
A tank with vertical walls, 2m wide and 2m long and 2.5 m high, is filled with 4800 litres of water (density 1000 kg/m3) and 3200 litres of light oil (density 900 kg/m3). compute the magnitude and location of the resultant force on each of the ver..
A mail bag with a mass of 124 kgis suspended by a vertical rope 8.0 mlong. How much work is done by the worker in moving the bag to thisposition
consider a solid sphere of radius 4 cm at a temperature of 19 degrees celsius. suppose the sphere is completely
2 parallel straight wires are 9.0 cm apart and each caries a 10.0 a current in the same direction. one wire is securely
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