Physics, 09.03.2021 20:10, makennahudson94
Juan inflates a balloon and then releases its end to let the balloon go free as air comes out. The balloon then flies around the room.
Which statement describes how this example is an application of Newton’s laws of motion?
According to Newton’s first law of motion, the balloon continues moving until the forces on it are unbalanced.
According to Newton’s third law of motion, the balloon is pushed forward as the air is forced out.
According to Newton’s third law of motion, the balloon resists any change of motion unless an unbalanced force acts upon it.
According to Newton’s second law of motion, the balloon exerts a force on the air, which exerts a force back on the balloon.
Answers: 1
Physics, 22.06.2019 16:30, amayareyes101
Large electric fields in cell membranes cause ions to move through the cell wall. the field strength in a typical membrane is 1.0 x 10 7 n/c. what is the magnitude of the force on a calcium ion with charge +e? what is its acceleration? is it possible for a particle with the same charge as as calcium to have a different acceleration if placed at this location? what would change the acceleration: mass of the particle? diameter of the particle?
Answers: 2
Physics, 22.06.2019 17:30, BabyG1353
Asilver dollar is dropped from the top of a building that is 1324 feet tall. use the position function below for free-falling objects. s(t) = −16t2 + v0t + s0 (a) determine the position and velocity functions for the coin. s(t) = v(t) = (b) determine the average velocity on the interval [1, 2]. ft/s (c) find the instantaneous velocities when t = 1 second and t = 2 seconds. v(1) = ft/s v(2) = ft/s (d) find the time required for the coin to reach the ground level. (round your answer to three decimal places.) t = s (e) find the velocity of the coin at impact. (round your answer to three decimal places.) ft/s
Answers: 3
Physics, 22.06.2019 21:20, aniyahrhs1213
The strong nuclear force acts over a small distance than the electrostatic force. true or false
Answers: 2
Juan inflates a balloon and then releases its end to let the balloon go free as air comes out. The b...
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