Physics, 05.03.2021 17:40 payshencec21
Describe how the effort force, resistance force and fulcrum should be arranged so that a child can lift an adult using his own body weight on a see saw.
Answers: 2
Another question on Physics
Physics, 22.06.2019 00:00
Name three different units of energy used to measure heat and describe what type of situations each is usually used.
Answers: 2
Physics, 22.06.2019 09:00
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
Physics, 22.06.2019 10:30
J. j. thomson’s experiment disproved the theory that an atom
Answers: 3
Physics, 22.06.2019 14:00
Awater balloon launcher uses an elastic band with a spring constant of 115 n/m to use thee launcher you stretch thee band back with a balloon n it the water balloons have a mass of 1.3 kg a) if you stretch the band by 0.8 m, what elastic force will the band exert? b) with the band stretched 0.8 m, how much elastic potential energy is stored in the spring? c) if you release the band, it pushes forward. what is the kinetic energy of the balloon when it reaches the natural length of the band? d) what is the speed of the balloon when it reaches the natural length of the band?
Answers: 1
You know the right answer?
Describe how the effort force, resistance force and fulcrum should be arranged so that a child can l...
Questions
Mathematics, 13.10.2019 05:50
Chemistry, 13.10.2019 05:50
History, 13.10.2019 05:50
Mathematics, 13.10.2019 05:50
Mathematics, 13.10.2019 05:50
History, 13.10.2019 05:50
Physics, 13.10.2019 05:50
Mathematics, 13.10.2019 05:50
English, 13.10.2019 05:50
