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One mole of an ideal gas does 3000J of work on its surroundings as it expands isothermally to a final pressure of 1.00atm and volume of 25.0L. Determine the initial volume and the temperature of the gas.
Radiation of intensity 1.00 kW/m2 is incident on an area perpendicular to the incoming light. What is the resulting power per unit area now reaching the surface
Two 1.5cm -diameter disks face each other, 2.0mm apar, What launch speed must the proton have to just barely reach the positive disk
A glider with mass m = 0.240 kg sits on a frictionless horizontal air track, connected to a spring with force constant k= 5.00 N/m. What must the initial displacement of the glider be if its maximum speed in the subsequent motion is to be 3.00 m/s
Suppose a heat engine takes in 420 J of energy from a hot reservoir and performs 30 J of work in each cycle.
Temperatures are often measured with electrical resistance thermometers. Suppose that the resistance of such a resistance thermometer is 162 when its temperature is 16.0 °C. What is the temperature of the liquid
A toy train rolls around a horizontal 1.5-m-diameter track. The coefficient of rolling friction is 0.13. What is the magnitude of the trains angular acceleration
A field mouse trying to escape a hawk runs east for 6.0m , darts southeast for 3.8m , then drops 1.8m down a hole into its burrow
It is believed that the universe began with a big bang about 17 billion years ago. If the speed of light is 2.99792 × 10^8, what is the maximum possible radius of the observable universe
A 0.07-kg lead bullet traveling 296 m/s strikes an armor plate and comes to a stop. If all of the bullet's energy is converted to heat that it alone absorbs
A rock climber stands on top of a 53{\rm m} -high cliff overhanging a pool of water. He throws two stones vertically downward 1.0{\rm s} apart, What is the speed of the first stone as it hits the water
q1. a man lifts a 22.4 kg bucket from a well and does 6.7 kj of work. the acceleration of gravity is 9.8 ms2.how deep
A grandfather clock is controlled by a swinging brass pendulum that is 1.2 m long at a temperature of 21°C. What is the length of the pendulum rod
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