Physics, 11.03.2020 06:36 keving4three
You have used the ideas of Galilean relativity--that time and distance are absolute and independent quantities and that velocities therefore add. In particular, the formula for relative velocity addition is vbw=vbc+vcw, where vbw is the velocity of the ball relative to the water, vbc is the velocity of the ball relative to the carrier, and vcw is the velocity of the carrier relative to the water. These ideas are embodied in Isaac Newton's Principia.
Newton started this seminal work by stating which of the following?
You have used the ideas of Galilean relativity--that time and distance are absolute and independent quantities and that velocities therefore add. In particular, the formula for relative velocity addition is , where is the velocity of the ball relative to the water, is the velocity of the ball relative to the carrier, and is the velocity of the carrier relative to the water. These ideas are embodied in Isaac Newton's Principia.
Newton started this seminal work by stating which of the following?
Space is uniform and infinite in extent but time is relative.
Space is relative but time is everywhere uniform and the same.
Space is uniform and infinite in extent and time is everywhere uniform and the same.
Space and time are both relative.
Answers: 1
Physics, 22.06.2019 16:40
Aparticle's position is given by x = 3.00 - 9.00t + 3t2, in which x is in meters and t is in seconds. (a) what is its velocity at t = 1 s? (b) is it moving in the positive or negative direction of x just then? (c) what is its speed just then? (d) is the speed increasing or decreasing just then? (try answering the next two questions without further calculation.) (e) is there ever an instant when the velocity is zero? if so, give the time t; if not, answer "0". (f) is there a time after t = 3 s when the particle is moving in the negative direction of x? if so, give the time t; if not, answer "0".
Answers: 3
Physics, 22.06.2019 18:00
Cells in the nervous system have a potential difference of 70 mv across the cell membrane separating the interior of the cell from the extracellular fluid. this potential difference is maintained by ion pumps that move charged ions across the membrane. is this an emf? select the correct answer and explanation. 1)no. the ion pumps cannot separate charges; thus, they cannot create a potential difference. 2)yes. the ion pumps cannot separate charges, but they still can create a potential difference. 3)yes. the ion pumps can actively separate charge; thus, they can create a potential difference. 4)no. the ion pumps can separate charges, but they cannot create a potential difference.
Answers: 1
Physics, 22.06.2019 18:20
An object dropped from cliff falls with a constant acceleration of 10 metre per second square find its speed of two seconds after it was dropped
Answers: 2
You have used the ideas of Galilean relativity--that time and distance are absolute and independent...
Mathematics, 27.04.2021 19:30
Mathematics, 27.04.2021 19:40
Mathematics, 27.04.2021 19:40
Mathematics, 27.04.2021 19:40
English, 27.04.2021 19:40
Mathematics, 27.04.2021 19:40
Social Studies, 27.04.2021 19:40