Physics, 10.09.2021 06:10 annabellthedivp3u9ve
O gráfico a seguir representa o comportamento de 250 g de gelo sob aquecimento constante de uma fonte térmica que opera a 530 W. Calcule a energia desenvolvida em cada processo e refaça a curva de aquecimento relacionando temperatura e calor.
Answers: 1
Physics, 22.06.2019 18:00
Astone is thrown with a speed v0 and returns to earth, as the drawing shows. ignore friction and air resistance, and consider the initial and final locations of the stone. which one of the following correctly describes the change δpe in the gravitational potential energy and the change δke in the kinetic energy of the stone as it moves from its initial to its final location? options a.δpe = 0 j and δke = 0 j b.δpe is positive and δke is negative c.δpe = 0 j and δke is positive d.δpe is negative and δke is positive e.δpe = 0 j and δke is negative
Answers: 3
Physics, 23.06.2019 05:30
Which of the following best describes the shape of earth's orbit? a.ellipticalb.circularc.spirald.figure eight
Answers: 1
Physics, 23.06.2019 07:00
Your physics assignment is to figure out a way to use electricity to launch a small 6.0-cm-long plastic drink stirrer. you decide that you'll charge the little plastic rod by rubbing it with fur, then hold it near a long, charged wire, as shown in figure p23.56 . when you let go, the electric force of the wire on the plastic rod will shoot it away. suppose you can uniformly charge the plastic stirrer to 10 nc and that the linear charge density of the long wire is 1.0 x10-7 c/m. what is the net electric force on the plastic stirrer if the end closest to the wire is 2.0 cm away?
Answers: 1
Physics, 23.06.2019 08:30
which pair of rays would be part of a ray diagram showing reflection? - a & b which pair of rays would be part of a ray diagram showing refraction? c & a
Answers: 1
O gráfico a seguir representa o comportamento de 250 g de gelo sob aquecimento constante de uma font...
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