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A balloon contains 5.0 L of oxygen gas at 1.0 atm and 20oC.
Part A. How much work is done in compressing the balloon at constant pressure until its volume drops by 10 % ? Express your answer to two significant figures and include the appropriate units.
A car weighing 1.1×104 N and traveling at 12.90 m/s attempts to round an unbanked curve with a radius of 54 m. What force of friction is required to keep the car
A standing wave on atight string experiment is set up in the laboratory. One endof the string is attached to an oscillator that vibrates with a frequency of 60 Hz. How much mass is hanging on the string
In a certain particle accelerator, a proton beam with a diameter of 2mm constitutes a current of 1mA. Each proton has kinetic energy of 20MeV. How many protons strike the target in one minute
A runner performs a standing hamstring curl in 1.5 seconds with the mass of the cuff weight and the lower leg 5 kg, How much mechanical work does the runner preform
You bike at 11.5 m/s directly away from your neighbor\'s trumpet sound and toward the sound of another neighbor\'s trombone, What frequency is the trombonist producing
What is the maximum possible efficiency of a steam engine operating between the temperatures of freezing water (0C) and burning books (451F ~ 233C)?
Three resistors, 31 ?, 34 ?, and 68 ?, are connected in series, and a 0.62-A current passes through them. What are the potential difference across this equivalent resistance
The mass of the sun is 1.99 X 10^30 kg and its distance from Earth is 150 million kilometers (150 x 10^9 meters). What is the gravitational force between the sun and Earth?
A go-kart travels a complete lap on a circular track with aradius of 500m in 50s. What is the average speed of the go-kart? What is the average velocity of the go-kart?
A 5.13 kg ball hangs from the top of a vertical pole by a 2.15 -m-long string. Calculate the angle between 0 and 90 degrees that the string makes with the pole
In coming to a stop, car leaves skid marks 78 long on the highway. Assuming a deceleration of 7.1 estimate the speed of the car just before braking.
A professional golfers club strikes a ball on a T and lunch is the ball at an angle of 40°. Which one of the following statements concerning the acceleration of the ball is true, if the effects of air resistance are ignored? While the ball is in the ..
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