Physics, 18.06.2021 18:30 willcohen42
Trên một mặt phẳng nằm ngang, nhẵn, có một hệ gồm hai quả cầu, khối lượng m1 và m2 được gắn vào hai đầu của lò xo dài l, độ cứng k. Truyền cho quả cầu m1 một vận tốc đầu v0 hướng đến quả cầu m2. Hãy khảo sát chuyển động của hệ
Answers: 3
Physics, 21.06.2019 20:20
Suppose that a comet that was seen in 563 a.d. by chinese astronomers was spotted again in year 1951. assume the time between observations is the period of the comet and take its eccentricity as 0.986. what are (a) the semimajor axis of the comet's orbit and (b) its greatest distance from the sun?
Answers: 1
Physics, 21.06.2019 23:30
Which of the following statements is true about women and minorities in early psychology? a. in the early 20th century, numerous graduate schools recruited women and minorities to study psychology. b. opportunities in higher education were limited for women and minorities in the early 20th century due to discrimination. c. despite some obstacles, there were numerous employment opportunities for women and minorities. d. women and minorities were often selected to do academic research in an effort to make the field more diverse.
Answers: 3
Physics, 22.06.2019 04:30
Light from the sun reaches the earth in 8.3 minutes. the velocity is 3.00 x 10^8 m/s. how far is earth from the sun? i know how to get to d = (3 x 10^8 m/s)(498 sec). i just don't know how to get from there to the answer being 1.5 x 10^11 m.
Answers: 3
Physics, 22.06.2019 12:30
Consider a system with two masses that are moving away from each other. why will the kinetic energy differ if the frame of reference is a stationary observer or one of the masses?
Answers: 1
Trên một mặt phẳng nằm ngang, nhẵn, có một hệ gồm hai quả cầu, khối lượng m1 và m2 được gắn vào hai...
Mathematics, 14.11.2019 19:31
English, 14.11.2019 19:31
Mathematics, 14.11.2019 19:31
Spanish, 14.11.2019 19:31
Social Studies, 14.11.2019 19:31
Mathematics, 14.11.2019 19:31
Business, 14.11.2019 19:31
Mathematics, 14.11.2019 19:31
Mathematics, 14.11.2019 19:31
Health, 14.11.2019 19:31
Mathematics, 14.11.2019 19:31