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one gram of water changes from liquid to solid at a constantpressure 1.00 atm and a constant temperature of 0degrees.In theprocess, the volume changes from 1.00 cm3 to1.09cm3 .
(a) Find the work done on the water and
(b) the change in the internak energy of the water.
A 990 g block oscillates on the end of a spring whose force constant is k = 66 N/m. What is the fractional decrease in amplitude per cycle
one solenoid is centered inside another. the outer one has a length of 45.0 cm and contains 6800 coils, what is the EMF induced in the inner solenoid
A mass of 3kg, is sitting on a 34° incline and is connected by a massless string over a pulley in the shape of a hollow cylinder, estimate the acceleration of the system
An unpolarized light beam of intensity I = 14.0 W/m2 is directed along the x-axis and enters a sequence of three polarizers at normal incidence. Calculate the intensity of the light leaving the last polarizer
The speed of a 135-gram hockey puck decreases from 37.0 m/s to 30m/s while coasting a distance of 12.5 meters. Find the force of friction between the ice and the puck
The position of a car at t= 20 min is x= 12 km. Its position is 69.6km when t=60min. Find the average velocity of the car
Find the mechanical energy of a block-spring system having a spring constant of 0.67 N/cm and an oscillation amplitude of 1.5 cm
When a potential difference of 12V is applied to a wire 7.1m long and 0.34mm in diameter the result is an electric current of 2.2A. What is the resistivity of the wire
A particle with a charge of q = -5.40 nC is moving in a uniform magnetic field of vec{B}=( -1.24 T ) hat{z}. The magnetic force on the particle is measured to be vec{F}= ( -7.60×10-7 N )hat{y}. find v_x, the x component of the speed of the particl..
A horizontal force of 50 N pushes a box that weighs 75 N across the floor at a constant speed. What is the power generated by the applied force if it takes 30 seconds to push the box 12 meters
Two bricks are adjacent, and a third brick is positioned symetrically above them. Where is the center of mass of the three bricks
A certain system emits electromagnetic radiation of wavelengths 'lambda'1=310nm, 'lambda'2=207nm and 'lambda'3=124nm. what are the other energy levels
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