C. The marble moved 30 cm north in 6 seconds.
This gives a scientific or correct value of object in motion among all other options.
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Answer:
461.88 N
Explanation:
= Weight of the swing = 800 N
= Tension force in the rope
= Horizontal force being applied by the partner
Using equilibrium of force in vertical direction using the force diagram, we get
![T Cos30 = F_{g}\\T Cos30 = 800\\T = \frac{800}{Cos30} \\\\T = 923.76 N](https://tex.z-dn.net/?f=T%20Cos30%20%3D%20F_%7Bg%7D%5C%5CT%20Cos30%20%3D%20800%5C%5CT%20%3D%20%5Cfrac%7B800%7D%7BCos30%7D%20%5C%5C%5C%5CT%20%3D%20923.76%20N)
Using equilibrium of force in horizontal direction using the force diagram, we get
![F = T Sin30\\F = (923.76) (0.5)\\F = 461.88 N](https://tex.z-dn.net/?f=F%20%3D%20T%20Sin30%5C%5CF%20%3D%20%28923.76%29%20%280.5%29%5C%5CF%20%3D%20461.88%20N)
Answer:
What is the acceleration of an object moving at a constant speed?
The Meaning of Constant Acceleration
The data table above show an object changing its velocity by 10 m/s in each consecutive second. This is referred to as a constant acceleration since the velocity is changing by a constant amount each second.
Answer:
extreme heat, because no physical damage can demagnetize a magnet
Explanation:
Answer:
No. Neither the USGS nor any other scientists have ever predicted a major earthquake. We do not know how, and we do not expect to know how any time in the foreseeable future.