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Musya8
7 days ago
13

A 1.0-kg block and a 2.0-kg block are pressed together on a horizontal frictionless surface with a compressed very light spring

between them. They are not attached to the spring. After they are released and have both moved free of the spring
the lighter block will have more kinetic energy than the heavier block.
the magnitude of the momentum of the heavier block will be greater than the magnitude of the momentum of the lighter block.
the heavier block will have more kinetic energy than the lighter block.
both blocks will both have the same amount of kinetic energy.
both blocks will have equal
Physics
2 answers:
Softa [2K]7 days ago
8 0
Once the blocks are released and have moved away from the spring, the lighter block will possess greater kinetic energy compared to the heavier block. Therefore, the correct choice from the provided options is the first one. I trust this helps you as intended.
Maru [2.3K]7 days ago
6 0
The correct answer is that the momentum of the heavier block will exceed that of the lighter one. It's important to note that momentum differs from energy and speed. It can be described as the product of an object's mass and its velocity. Consequently, a heavier object with greater mass will have increased momentum, in contrast to a lighter object which will not achieve the same momentum. Thus, when comparing both blocks, the heavier mass results in higher momentum, leading to the conclusion that the second option is correct.
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You are working on a laboratory device that includes a small sphere with a large electric charge Q. Because of this charged sphe
Yuliya22 [2420]

Response:

The primary consequence is an increase in induced charge at the nearest points. However, the overall net charge remains zero, meaning it does not influence the flow.

We can utilize Gauss's law to solve this problem

      Ф = ∫ e. dA = q_{int} / ε₀

The flow of the field is directly correlated to the charge within it. Consequently, placing a Gaussian surface beyond the non-conductive spherical shell means the flow will be zero since the sphere’s charge equals the charge induced in the shell, resulting in a net charge of zero. This evaluation shows that the shell effectively obstructs the electric field.

According to Gauss's law, if the sphere is offset, the only effect it generates is an increment in induced charge at the nearest points. Nevertheless, the net charge remains zero, so it does not impact the flow; irrespective of the sphere's position, the total induced charge is consistently equal to the charge on the sphere.

5 0
22 days ago
Which of the following is (are) true of ligand-gated ion channels?
Ostrovityanka [2204]

Answer:

The properties of ligand-gated ion channels include:

a. They play a crucial role in the nervous system by altering sodium and calcium levels within cells.  

b. Their significance is primarily linked to the nervous system.

c. They are vital for the nervous system, responsible for modulating sodium and calcium levels in cells, and they respond to chemical signals by either opening or closing.

Explanation:

Ligand-gated ion channels (LICs or LGICs), often called ionotropic receptors, represent a class of trans-membrane ion-channel proteins that open to permit the flow of ions like Na+, K+, Ca2+, and/or Cl− across membranes in reaction to the binding of chemical signals. Their function contrasts with that of voltage-gated ion channels, which are triggered by changes in voltage across membranes (i.e., when depolarization occurs) and are responsive to membrane potentials. In comparison to GPCRs that utilize secondary messengers, ligand-gated channels operate upon the binding of a ligand (a specific chemical signal). Both types of channels are essential for the effective activation of the post-synaptic neuron.

3 0
13 days ago
The image shows the displacement of a motorboat. The data table shows the magnitudes of the components of each displacement vect
serg [2593]
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4 0
10 days ago
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Keith_Richards [2256]

To address this issue, we will utilize the principles related to Gauss' law, which states that the electric flux across a surface corresponds to the object's charge divided by the permittivity of vacuum. In mathematical terms, this can be expressed as

\phi = \frac{Q_{net}}{\epsilon_0}

It's crucial to remember that the net charge equals the difference between the two specified charges, so upon substitution,

\phi = \frac{(15-40)*10^{-12}C}{8.85*10^{-12}C^2/Nm^2}

\phi = 2.82WB

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4 0
25 days ago
Imagine you derive the following expression by analyzing the physics of a particular system: v2=v20+2ax. The problem requires so
Keith_Richards [2256]

Based on the kinematic formula:

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7 0
1 month ago
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