Answer:
T1 = 675 [N] ; T2 = 707.5 [N]
Explanation:
To solve this problem we must draw a free body diagram, where the bird is located, the posts and distances mentioned.
In the attached image we can see the free body diagram with different forces, angles and distances.
By conducting a distance analysis we can find the angles on both sides of the rope relative to the horizontal.
Then we perform a force analysis on the X-axis and the y-axis in order to find the two equations we need to find the stresses in the cables (T1 & T2)
Answer:
Q = 231.6 J
Explanation:
Given that,
Mass, m = 3 g
The temperature rises from 20°C to 220°C.
We know that, the specific heat of copper is, c = 0.386 J/g K
We know that the energy transferred in heating of copper is given by :
So, the required energy is equal to 231.6 J.
Dry ice is carbon dioxide that is cooled to the point of becoming a solid. It then goes through sublimation, which is when something goes from a solid to a gas (this is when it is taken from its freezing temperature
Yes this true because Someone moves forward for 5 seconds and moves back for 5 seconds
Which 5+5=10
so you would have in ten seconds
1) The coefficient of friction of the surface
2) The weight of that objects