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Angelina_Jolie [31]
3 years ago
13

Two gravitational forces act on a

Physics
1 answer:
Alik [6]3 years ago
3 0

Answer:

Explanation:

Depends on the location of the two forces.  If they are aligned on the same side of the object, you would simply add.

X -----------F1 -------F2

X is the object. F1 and F2 are both masses which create a gravitational force. They both are the form of Fx = G * m1 * m2 / r^2. The total force is F1 + F2

If they are are on either side of the object, you subtract.

F1 ---------X ---------F2

Fx = F1 - F2

Any other location of F1 and F2 is much more complicated by the use of trigonometry.

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How does the launch angle affect the maximum height reached by a ground launched projectile?​
NISA [10]

Answer:

The maximum height is determined by the initial vertical velocity. Since steeper launch angles have a larger vertical velocity component, increasing the launch angle increases the maximum height.

Explanation:

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3 years ago
A power source supplies a prescribed voltage and is used to power a light bulb if another light bulb is connected in series to t
pychu [463]
<span>The current from the power source will not change when the second light bulb is attached. This is because the current is kept on a single path, it will return to the power source at the same value it left the source at.</span>
8 0
4 years ago
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Part B - Permeability of the lipid bilayer Some solutes are able to pass directly through the lipid bilayer of a plasma membrane
Helen [10]

This Question is not complete

Complete Question:

Part B - Permeability of the lipid bilayer Some solutes are able to pass directly through the lipid bilayer of a plasma membrane, whereas other solutes require a transport protein or other mechanism to cross between the inside and the outside of a cell. The fact that the plasma membrane is permeable to some solutes but not others is what is referred to as selective permeability. Which of the following molecules can cross the lipid bilayer of a membrane directly, without a transport protein or other mechanism?

a) proteins

b) water

c) ions

d) sucrose

e) lipids

f) carbon dioxide

g) oxygen

Answer:

b) water

e) lipids

f) carbon dioxide

g) oxygen

Explanation:

Diffusion is the means by which molecules like water, lipids, carbon dioxide and oxygen easily move across the lipid bilayer of a membrane directly without the use of a transport protein or any another mechanism.

Diffusion is the way or means through which molecules( such as gases or liquids) move across a membrane from and region of higher concentration to a region of lower concentration.

Before a molecule can pass through the semi permeable membrane without the use of any mechanism or transport protein, it has to be:

a) a small molecule

b) an uncharged molecule

c) an hydrophobic molecule

7 0
3 years ago
_____ life cycle models of systems development assume that the scope of the project can be articulated clearly and the schedule
Natalka [10]

Answer:

Predictive

Explanation:

 There is a wide variety of life cycles applicable to project management. In this regard, we currently have as a reference two somewhat extreme approaches that mark two very different ways of dealing with projects. The predictive approach and the agile approach.

  A predictive approach involves a great effort in initial planning and re-planning every time changes are accepted in the project. Therefore, this approach is recommended for changing but not highly changing environments. Although this approach is applicable to any type of project, clear examples of application would be the construction of a subway line, a bridge, the development of critical software. That is, projects where correct and detailed planting is key.

4 0
3 years ago
J-s. If your 1400-kg car is parked in an 8.54-m-long garage, what is the uncertainty in its velocity? cm/s the tolerance is +/-2
IgorC [24]

Answer:

\Delta v = 4.41 \times 10^{-37} cm/s

Explanation:

As per Heisenberg's uncertainty principle we know that

\Delta P \times \Delta x = \frac{h}{4\pi}

so here we have

\Delta P = m\Delta v

\Delta x = 8.54 m

now from above equation we have

m\Delta v \times (8.54) = \frac{h}{4\pi}

1400(\Delta v) \times (8.54) = \frac{6.626 \times 10^{-34}}{4\pi}

\Delta v = 4.41 \times 10^{-39} m/s

\Delta v = 4.41 \times 10^{-37} cm/s

8 0
3 years ago
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