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A proton moves at 1.0x10^7 m/s perpendicularly to a uniform magnetic field. It experiences an acceleration of 2.0x 10^13 m/s^2 in the +x direction when its velocity is in the +z direction. Determine the magnitude and direction of the field.
A "Carnot" refrigerator (reverse of a Carnot engine) absorbs heat from the freezer compartment at a temperature of -17°C, How much work must be done by the refrigerator to change 0.20 kg of water at 24°C into ice at -17°C
A house at the bottom of a hill is fed by a full tank of water 6.0 m deep and connected to the house by a pipe that is L = 83m long at an angle of ? = 67? from the horizontal. Determine the water gauge pressure at the house
A train engine weighs 5 times as much as aflatbed car. If the engine coasts at 3 km/hr into the boxcarthat is initially at rest and becomes coupled to the boxcar, how fast do the two move after the inelastic collision?
A system of 1454 particles, each of which is either an electron or a proton, has a net charge of -7.456×10-17 C. How many protons are in this system
A man lifts a box weighing 50N to a height of 50M in25s. How much work did he do and what power did he expend
A rigid (constant volume) container holds 4.6 moles of an ideal gas initially at 190 K and 2.0 atm. How much gas is in the container at the final pressure and temperature
Consider a capacitor consisting of two identical metal plates parallel to each other. Each plate has an area of 140 cm2 and they are separated by 2.7 mm. Find the capacitance of the capacitor
A van der Waals gas undergoes an isothermal expansion from specific volume v1 to specific volume v2. Calculate the change in the specific Helmholtz function for this process.
One gram of water changes from liquid to solid at a constantpressure of 1.00 atm and a constant temperature of 0°C. Find the change in the internal energy of the water
a 190 g copper bowl contains 180 g of water both at 23.0degc. a very hot 450 g copper cylinder is dropped into the
A tire is filled with air at 15°C to a gauge pressure of205kPa. If the tire reaches a temperature of39°C, what fraction of the original air must be removed
a parallel-plate air capacitor is made from two plates 0.250 m square spaced 0.900 cm apart. it is connected to a 120 v
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