Physics, 28.03.2020 04:24 destineenikole17
A body is made up of multiple parts that are attached to each other by several compressed springs. It has been shot from a cannon and at the peak of its trajectory the springs are released, causing the parts to fly apart. The center of mass of the two parts
a. travels in a straight line at constant speed.
b. is now a meaningless concept.
c. follows a path which depends on the relative masses of the parts.
d. continues along the same parabolic path as before.
Answers: 3
Another question on Physics
Physics, 21.06.2019 20:30
When a book falls from a shelf to the ground without anyone pushing on it, no work is done on the book. true or false
Answers: 1
Physics, 22.06.2019 04:00
All the simple machines make work easier to do by changing the or of a force. a. size; type b. work; type c. size; direction d. type; direction
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 10:00
There are two-speed cameras, one in an are where the speed limit is 30 km/h and another where the speed limit is 50 km/h. in which will there be a smaller time interval between the photographs? explain your answer.
Answers: 1
You know the right answer?
A body is made up of multiple parts that are attached to each other by several compressed springs. I...
Questions
Social Studies, 19.09.2019 05:00
Mathematics, 19.09.2019 05:10
