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Alex787 [66]
2 years ago
15

Consider a series of motion scenarios. Each scenario is accompanied by a short description and an arrow indicating the instantan

eous velocity. Assume that air resistance is negligible in every scenario. The only forces present in each scenario are gravity, surface (or normal) forces, and friction if indicated. Place the appropriate arrow, or zero, next to each scenario to indicate the direction of the net force acting on the block.

Physics
1 answer:
anygoal [31]2 years ago
7 0

The resultant force is obtained by taking into account the magnitude and direction of all the forces involved.

<h3>What is motion?</h3>

Motion refers to change in position with respect to time. The instantaneous velocity is the velocity at a given time during motion.

Since force is a vector quantity, we must note that the net force will point in a given direction after taken all other forces into account. The net/resultant force is the force tat will have the same effect in magnitude and direction as all the forces taken together.

Learn  more about resultant force: brainly.com/question/7041906

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What are the products of a fusion reaction? Check all that apply.
Free_Kalibri [48]

Energy, heavier atoms atoms, neutron and a proton are the products of a fusion reaction.

<h3>What are the products of a fusion reaction?</h3>

Nuclear fusion is a type of reaction in which two or more atomic nuclei fuse or combine to form heavy nuclei and subatomic particles such as neutrons or protons and release of energy.

So we can conclude that Energy, heavier atoms, neutron and a proton are the products of a fusion reaction.

Learn more about reaction here: brainly.com/question/11231920

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8 0
1 year ago
Describe some ways that industry and agriculture use physical properties to separate substances.
musickatia [10]
This is more chemistry. But it is a process called fractional distillation, and it basically separates the long chained hydrocarbons from the short chained hydrocarbons through separation dependant on the boiling point of the crude oil.
3 0
3 years ago
Read 2 more answers
In this problem, you will practice applying this formula to several situations involving angular acceleration. In all of these s
riadik2000 [5.3K]

Answer:

Part a)

\alpha = \frac{2(m_1 - m_2)g}{(m_1 + m_2)L}

Part b)

\alpha = \frac{6(m1 - m_2)g}{3(m_1 + m_2)L + m_{bar}L}

Explanation:

As we know that the see saw bar is massless so here torque due to two masses is given as

\tau = I\alpha

here we will have

\tau = (m_1g - m_2g)(\frac{L}{2})

now we will have inertia of two masses given as

I = (m_1 + m_2)(\frac{L}{2})^2

now we have

I = (m_1 + m_2)\frac{L^2}{4}

now the angular acceleration is given as

\alpha = \frac{\tau}{I}

so we have

\alpha = \frac{2(m_1 - m_2)g}{(m_1 + m_2)L}

Part b)

Now if the rod is not massles then we will have total inertia given as

I = (m_1 + m_2)(\frac{L}{2})^2 + \frac{m_{bar}L^2}{12}

so we will have

I = (m_1 + m_2)\frac{L^2}{4} + \frac{m_{bar}L^2}{12}

now the acceleration is given as

\alpha = \frac{\tau}{I}

\alpha = \frac{6(m1 - m_2)g}{3(m_1 + m_2)L + m_{bar}L}

7 0
3 years ago
1. To calulate the molarity of a solution, you need to know the moles of the solute and the?
Fofino [41]
1. Volume of the solution (B)

2. Celery (D)

3. Hydroxide ions in solution (A)
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2 years ago
A model rocket flies horizontally off the edge of a cliff at a velocity of 80.0m/s. If the canyon below is 128.0 m deep, how far
RSB [31]

Answer:

c. 337

Explanation:

can someone answer my question

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2 years ago
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