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2 years ago

Suggest two ways in which the boy could balance the beam?

Physics

2 answers:

Oduvanchick [21]2 years ago

7 0

He can balance it on his hand or look for something that can handle the weight of it

postnew [5]2 years ago

5 0

Answer:

Hope this is what you were looking for!

Explanation:

1) So, if we are talking about balancing a straight stick (beam), he could put a finger from each hand on either side of it and move them together. As a result of friction his fingers will meet at the balance point.

2) Method of trial and error.

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Calculate the force between two objects that have

Over [174]

$\text { The force between the given two objects is } 1.865 \times 10^{-6} \mathrm{N}$

<u>Explanation</u>:

As per given question,

$m_{1} \text { is } 140 \mathrm{kg}$

$m_{2} \text { is } 160 \mathrm{kg}$

R is 0.895 m

The force between two objects is

$\mathrm{F}=\frac{G m_{1} m_{2}}{R^{2}}$

Where,

F is the force of attraction between two objects in Newton’s (N)

$\text { G is the Universal Gravitational Constant }=6.674 \times 10^{-11} \mathrm{N}-\mathrm{m}^{2} / \mathrm{kg}^{2}$

$m_{1} \text { and } m_{2} \text { are the masses of the two objects in kilograms (kg) }$

R is the separation in meters (m) between the objects

Substitute the given values in the above formula,

$F=\frac{6.674 \times 10^{-11} \times 140 \times 160}{0.895^{2}}$

$F=\frac{1.494 \times 10^{-6}}{0.801}$

$\mathrm{F}=1.865 \times 10^{-6}$

$\text { The force between the given two objects is } 1.865 \times 10^{-6} \mathrm{N}$

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3 years ago

Which component of the atom has the least mass?

mrs_skeptik [129]

B) Electrons have the least amount of mass

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3 years ago

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Delicious77 [7]

Answer:

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3 years ago

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Is it possible for a baseball to have as large a momentum as a much more massive bowling ball

kirza4 [7]

Yes it is possible. Momentum is calculated by the mass of the object times its velocity.
For example, say a bowling ball weighs 3.0kg and is travelling at a speed of 3.0m/s. Its momentum would be 3.0×3.0=9.0 kg·m/s.
Now say we have a baseball weighing 0.20kg and it is travelling at a speed of 47.0m/s. Its momentum would be 0.20×47.0=9.4 kg·m/s, which is more than that of the bowling ball.

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2 years ago

With that push, they have accelerated their masses, which means they have _____ of their bodies.

nexus9112 [7]

As per Definition of acceleration we know that rate of change in velocity of object is known as acceleration

$a = \frac{v_f - v_i}{\Delta t}$

so when we apply push on an object that push or applied force will change the velocity of object always

so correct answer must be

a.) changed the velocity

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3 years ago

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