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One mole of an ideal gas expands from 5 to 1 atm at 25 oC. Calculate W (a) if the gas expands isothermally, (b) and if the gas expands adiabatically.
A 41.7 kg seal at an amusement park slides from rest down a ramp into the pool below. what is the work done by kinetic friction
A 50.6-cm diameter disk rotates with a constant angular acceleration of 2.10 rad/s2. Find the linear velocity and tangential acceleration
An electron traveling at 15 m/s enters a 1.3 T magnetic field. The angle between the velocity and the field is 90o. Find the radius of the resulting circular path.
A ball is thrown from the top of a building upward at an angle of 35? to the horizontal and with an initial speed of 15 m/s. How long is the ball in flight
The index of refraction for a diamond for red light of wavelength 654 nm is 2.35, Find the angle of refraction for red light
A pair of speakers separated by 0.700m is driven by the same oscillator at a frequency of 662Hz. An observer, originally positioned at one of the speakers, begins to walk along a line perpendicular to line joining the speakers. (Assume the speed o..
2 mol of a diatomic ideal gas expand adiabatically and quasi-statically. The initial temp of the gas is 300K, What is the final temp of the gas
A horizontal water main with a cross-sectional area of 186 cm2 necks down to a pipe of area 57.8 cm2. Determine the flow rate through the system
A 21.5 g bullet strikes a 0.650 kg block attached to a fixed horizontal spring whose spring stiffness constant is 7.30 x 10^3 N/m and sets it into vibration with an amplitude of 21.5 cm. What was the speed of bullet before impact if the bullet and bl..
A 4.40-g lead bullet at 32.0°C is fired at a speed of 230 m/s into a large block of ice at 0°C, What quantity of ice melts
Physics: Speed of car at bottom of driveway; initial speed of bullet, 20 A 2.10 x 10³ kg car starts from rest at the top of a 5.0 m long driveway that is sloped at 20° with the horizontal. If an average friction force of 4.0 x 10³ N impedes the mo..
Four identical metallic objects carry the following charges: +1.18, +6.89, -4.92, and -9.56C. The objects are brought simultaneously into contact, What is the final charge on each object
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