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julia-pushkina [17]
4 years ago
5

I. On the dot below, which represents the book, draw and label the forces (not components) that act on the book at the lowest po

int of its circular path. Each force must be represented by a distinct arrow starting on, and pointing away from, the dot.
Physics
1 answer:
Irina-Kira [14]4 years ago
6 0

Answer:

1 weight, 2)  normal and 3)  friction

Explanation:

In a circular path on the block various forces are exerted, at the lowest point of the path we have the following forces

1) The weight that is the attraction of the Earth on the body, is directed vertically, downwards

2) The normal that is the reaction of the Earth to the support of the body, is directed vertically upwards

3) if the track has a friction force in the opposite direction of the turn, directed horizontally and in the opposite direction of the direction of movement.

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Answer:

x\approx 0.948

Explanation:

The correct formula for the potential energy between two atoms in a particular molecule is:

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Where x is the distance.

According to the definitions of potential energy and work, as well as the Work-Energy Theorem and the Principle of Energy Conservation. The relation between that and related force is:

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The function is derived in terms of distance:

F (x) = \frac{84}{5\cdot x^{9}} -\frac{104}{5\cdot x^{5}}

Then, it is needed to find at least of x so that F(x) equals to 0.

\frac{84}{5\cdot x^{9}}-\frac{104}{5\cdot x^{5}}=0

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84-104\cdot x^{4} = 0

x=\sqrt[4]{\frac{84}{104} }

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3 years ago
A cylinder with initial volume V contains a sample of gas at pressure p. On one end of the cylinder, a piston is let free to mov
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Answer:

The work done on the gas = 2PV

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As we know that, the work done on the gas is equal to the area under the curve.

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A 1,155 kg truck has a velocity of 18 m/s. What is the momentum of the truck?
77julia77 [94]

The momentum of truck is 20790 kg m/s

<em><u>Solution:</u></em>

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