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2.56E+6 J of heat transfer.
A.) what is the engines efficency?
B.) How much heat transfer to the environment takes place? (1.50E+5 work done) For A.) is got 5.86%, and for B.) i got 2,5597.3???
What is its angular speed 0.1 seconds later?
A satellite is in a circular orbit about the earth (ME = 5.98 1024 kg). The period of the satellite is 3.70 104 s. What is the speed at which the satellite travels
A bullet of mass 11.1 g is fired into an initially stationary block and comes to rest in the block. How much kinetic energy is lost
What is the speed of the two carts at the moment while their speeds are equal?
A football is kicked with a speed of 20m/s at an angle of 40 degrees to the horizontal, how long is the football in the air
An apparatus that liquefies helium is in a room maintained at 306 K. If the helium in the apparatus is at 4.0 K, what is the minimum ratio Qto/Qfrom, where Qto is the energy delivered as heat to the room and Qfrom is the energy removed as heat from t..
A force does +130J of work while it acts on a moving object and its direction is in the same direction as the object's displacement. How much work does this force do as the angle between it and the object's displacement is 56°.
An electrically neutral thin, square metal slab, measuring 6.00cm on a side is placed in a uniform external field that is perpendicular to its square area. What is the total charge on the negative side of the slab
Two electrons are fixed 2.6 cm apart. Another electron is shot from infinity and comes to rest midway between the two. What was its initial speed
You have a string with a mass of 0.0125 kg. You stretch the string with a force of 9.75 N, What is the wavelength of the standing wave you create in the string and What is the frequency
q1. a traveller pulls on a suitcase strap at an angle of 35deg above the horizontal. if 424 j of work is done by the
Compute the coefficient of kinetic friction
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