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In-s [12.5K]
3 years ago
10

What do you need to know to analyze the forces in a situation?

Physics
1 answer:
alukav5142 [94]3 years ago
6 0

Answer:

An analysis yielding the respective forces acting at any point of any member, or part of a member, of a mechanism, obtained by using relationships for dynamic equilibrium in a plane rigid body subject to external forces within this plane and to internal forces due to its motion in this plane.

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The sun's properties (luminosity, size, and temperature) have not changed much over the last 4.6 billion years. what do you thin
Vikentia [17]

The answer is; The sun will turn into a red giant


This occurs as the hydrogen fuel in the fusion core of the sun begins to deplete. When the hydrogen fuel is depleted, the star begins to collapse on itself due to gravity. This pressure causes the heavier helium to begin fusing in the area around the core.  The stars begin to heat up again producing enough energy to push out the outer shells of the star. This causes the star to expand. The outer shells become less hot hence the decrease in luminosity of red giants.


6 0
3 years ago
Which of the following is NOT a
Liula [17]

Answer:B

Explanation:

6 0
4 years ago
Read 2 more answers
A rectangular plate has a length of (21.7 ± 0.2) cm and a width of (8.2 ± 0.1) cm. Calculate the area of the plate, including it
Grace [21]

Answer:

(177.94 ± 3.81) cm^2

Explanation:

l + Δl = 21.7 ± 0.2 cm

b + Δb = 8.2 ± 0.1 cm

Area, A = l x b = 21.7 x 8.2 = 177.94 cm^2

Now use error propagation

\frac{\Delta A}{A}=\frac{\Delta l}{l}+\frac{\Delta b}{b}

\frac{\Delta A}{A}=\frac{0.2}{21.7}+\frac{0.1}{8.2}

\Delta A=177.94 \times \left ( 0.0092 + 0.0122 \right )=3.81

So, the area with the error limits is written as

A + ΔA = (177.94 ± 3.81) cm^2

8 0
4 years ago
0. The temperature of source is 500K with source energy 2003, what is the temperature of sink with sink energy 100 J? a. 500 K b
andreev551 [17]

Answer:

c. 250k

Explanation:

4 0
3 years ago
The electric potential inside a parallel-plate capacitor __________.
tresset_1 [31]

Answer:

\Delta V=\frac{Q d}{A \epsilon_0}

Explanation:

for the calculation of the electric potential inside a parallel plate capacitor you can use the formula for the electric field inside the capacitor.

\Delta V=V(d)-V(0)=\int_0^dEdx

where d is the distance between plates and E is the electric field, which is given by:

E=\frac{\sigma}{\epsilon_0}

By replacing you obtain:

\Delta V=E\int_0^ddx=Ed=\frac{\sigma d}{\epsilon_0}=\frac{Qd}{A\epsilon_0}

where Q is the charge stored by the capacitor and A is the area of the plates.

hence, the answer is Qd/Ae0

4 0
3 years ago
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