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A 94 g piece of ice at 0.0°C is placed in an insulated calorimeter of negligible heat capacity containing 100 g of water at 100°C.
(a) What is the final temperature of the water once thermal equilibrium is established?
(b) Find the entropy change of the universe for this process.
An ocean liner leaves New York City and travels 18.0° north of east for 232 km. How far east and how far north has it gone? In other words, what are the magnitudes of components of the ship's displacement vector in the following directions.
A proton travels with the speed of 8.34×105 m/s at an angle of 32.3° with the direction of a magnetic field. The field exerts a force of 3.00×10-17 N on the proton. What is the strength of the field.
A tuning fork of unknown frequency makes three beats per second with a fork of frequency 373 Hz, What is the frequency of this fork
As part of a safety investigation, two 1200- {rm kg} cars traveling at 24- {rm m/s} are crashed into different barriers.
When point charges q1 = +1.7 ?C and q2 = +8.7 ?C are brought near each other, each experiences a repulsive force of magnitude 0.30 N
How close to the edge of the 28.0 kg table, that is 2.2m with legs 1.2m apart, can a 62.0 kg person sit without tipping it over.
A 3.0 m long rigid beam with a mass of 125 kg is supported at each end. An 65 kg student stands 2.0 m from support 1. How much upward force does each support exert on the beam
Two equally charged insulating balls each weigh 0.50 g and hang from a common point by identical threads 30 cm long, What is the magnitude of the charge on each ball
An infinitely long wire is formed as in the diagram on your assignment. It is formed so that it has a circular portion of R = 50cm and the straight portion is located at a distance r from the center of the circular portion. Determine r (in cm) suc..
The three displacement vectors in the drawing have magnitudes of A = 5.47 m, B = 5.43 m, and C = 3.91 m. Find the resultant ((a) magnitude and (b) directional angle) of the three vectors by means of the component method. Express the directional an..
A placekicker must kick a football from a point 36.0 m (about 40 yards) from the goal. Half the crowd hopes the ball will clear the crossbar, By how much does the ball clear or fall short of clearing the crossbar
How to compute Average power output
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