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A sample of helium behaves as an ideal gas as it is heated at constant pressure from 273 K to 353 K. If 25.0 Joule of work is done by the gas during this process, evaluate what is the mass of helium present? mg
A 0.04-kg baseball traveling in a horizontal direction with a speed of 16 m/s hits a bat and is popped straight up with a speed of 15 m/s. What is the change in momentum (magnitude and direction) of the baseball?
A 57.3-kg crate rests on a level floor at a shipping dock. The coefficients of static and kinetic friction are 0.770 and 0.405, What horizontal pushing force is required to just start the crate moving
Julie throws a ball to her friend Sarah. The ball leaves Julie's hand a distance 1.5 meters above the ground with an initial speed of 12.0 m/s at an angle 46.0 degrees; What is the distance between the two girls
A cable is lifting a construction worker and a crate. The weights of the worker and crate are 965 and 1510 N, respectively. compute the tension in the cable below the worker
Human blood contains plasma, platelets, and blood cells. To separate the plasma from other components, centrifugation is used. Effective centrifugation requires subjecting blood to an acceleration of 2000g or more.
If a Mack truck and a Honda Civic have a head-on collision, uponwhich vehicle is the impact force greater? Which vehicle experiences the greater acceleration? Explain your answers.
a 33.1-kg child runs with a speed of 2.80 ms tangential to the rim of a stationary merry-go-round. the merry-go-round
a. find the boiling temperature of a juice that is boiling at an absolute pressure of 31.19 kpa. assume that the
questiona particle of mass m in energy state n is confined in an infinite square well potential of width a. a
the gondola ski lift at whistler mtn in bc has a length of 2128 meters. the angle between the horizontal and gondola
The electric field on the axis of a uniformly charged ring has magnitude 400kN/C at a point 5.6cm from the ring center, Find the rings radius and charge
q1. a ball on a porch rolls 60 cm to the porchs edge drops 40 cm continues rolling on the grass and ultimately stops 80
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