Lab 2: Mechanical equivalent of heat.
Theory
1. Let the falling weight have a mass M. Assumi...
Physics, 20.01.2022 04:00 bigboyethanlanp2s9lm
Lab 2: Mechanical equivalent of heat.
Theory
1. Let the falling weight have a mass M. Assuming it starts some distance h above the ground and
is allowed to fall to the ground, show that the work done by gravity is equal to:
Wg= Mgh
Answers: 3
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You are traveling in a car going at a constant speed of 100km/h down a long, straight highway. you pass another car going in the same direction which is traveling at a constant speed of 80km/h. as measured from your car's reference frame this other car is traveling at −20km/h. what is the acceleration of your car as measured from the other car's reference frame? what is the acceleration of the other car as measured from your car's reference frame?
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Determine the age of a fossil if it had only one eighth of its original carbon-14 content remaining?
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Sobre transformações cíclicas, são feitas algumas afirmações, determine quais estão corretas. i – a variação de energia interna em uma transformação cíclica é nula; ii – o trabalho, em uma transformação cíclica, é sempre positivo; iii – ao completar um ciclo, o gás tem a mesma temperatura com a qual começou a transformação; iv – uma transformação cíclica é, obrigatoriamente, composta de transformações conhecidas, como adiabática, isocórica, etc: a) i e iii b) i e ii c) ii e iii d) i e iv e) iii e iv
Answers: 1
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