Physics, 23.03.2020 21:36 donbright100
A small kid sits on a bike (Anita). A bigger and stronger person (Jamy) pushing the kid so that the kid starts speeding up. (neglect friction). Mark all correct statements about the forces between them.
A. There is automatically a force pushing back from Anita to Jamy.
B. The forces depends on their masses.
C. The force on Anita is zero.
D. The force from Anita to Jamy is equal to the force Jamy pushes on Anita.
E. The force from Anita to Jamy is greater than the force Jamy pushes on Anita.
F. The force on Jamy is zero.
G. The force from Anita to Jamy is smaller than the force Jamy pushes on Anita.
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
A small kid sits on a bike (Anita). A bigger and stronger person (Jamy) pushing the kid so that the...
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