Answer:
Explanation:
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No work is being performed on the object unless the object is moving, as work done = force x distance
I think B) would be the best answer, mainly because when clouds become congested and compact like that it typically signifies it's going to rain because of condensation. Seeing how B has a ton of clouds packed together, that would be the most likely for it to indicate a future rain storm.
Answer:
The height from which the egg is dropped is <u>68.54 m</u>.
Explanation:
Given:
Initial velocity of egg is,
(Dropped means initial velocity is 0)
Time taken is,
Acceleration experienced by egg is due to gravity,
The height from which the egg is dropped is, ![d=?](https://tex.z-dn.net/?f=d%3D%3F)
Now, we use Newton's equation of motion that relates the distance, initial velocity, time and acceleration.
So, we have the following equation of motion:
![d=ut+\frac{1}{2}at^2](https://tex.z-dn.net/?f=d%3Dut%2B%5Cfrac%7B1%7D%7B2%7Dat%5E2)
Plug in all the given values and solve for 'd'. This gives,
![d=0+\frac{1}{2}\times 9.8\times (3.74)^2\\\\d=\frac{1\times 9.8\times 13.9876}{2}\\\\d=\frac{137.078}{2}\\\\d=68.54\ m](https://tex.z-dn.net/?f=d%3D0%2B%5Cfrac%7B1%7D%7B2%7D%5Ctimes%209.8%5Ctimes%20%283.74%29%5E2%5C%5C%5C%5Cd%3D%5Cfrac%7B1%5Ctimes%209.8%5Ctimes%2013.9876%7D%7B2%7D%5C%5C%5C%5Cd%3D%5Cfrac%7B137.078%7D%7B2%7D%5C%5C%5C%5Cd%3D68.54%5C%20m)
Therefore, the height from which the egg is dropped is 68.54 m.
Answer:
A. Calculate vector
B. Update vector of each object
C. Update position of each object
Explanation:
Taking assumption of a system in which the forces are a function of the previous step's final position:
Firstly, we calculate the (vector) forces acting on the objects.
Secondly, Update the (vector) momentum of each object
(note: also update the velocity).
Thirdly, Update the (vector) position of each object.
The other operations are as follows;
i. select (dt),
ii. define mass,
iii. Put down constants,
iv. initialize variables, this would occur before the time-step loop is entered.