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2 years ago

In the apple-pulling-the orange sequence in this chapter, what is the force that accelerates the system across the floor?.

1 answer:

Montano1993 [528]2 years ago

8 0

In the apple-pulling-the orange sequence in this chapter, the force that accelerates the system across the floor is;

Friction between the apple and the floor.

<h3>Frictional Force</h3>

The sequence talked about here is a system showing how an apple was pulling an orange that was located inside a moving toy.

Now, we know that there is usually a force that acts between a moving object and the floor and this force is called friction force.

Thus, the force that makes the apple to pull the orange with acceleration across the floor is called friction force between the apple and the floor.

Read more about Frictional Force at;brainly.com/question/13680415

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3 years ago

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3 years ago

At an outdoor market, a bunch of bananas is set on a spring scale to measure the weight. The spring sets the full bunch of banan

Elina [12.6K]

Answer:

2.67kg

Explanation:

The maximum velocity, $v _ {max}$ of a body experiencing simple harmonic motion is given by equation (1);

$v_{max}=\omega A............(1)$

where $\omega$ is the angular velocity and A is the amplitude.

The problem describes the oscillation of a loaded spring, and for a loaded spring the angular velocity is given by equation (2);

$\omega=\sqrt{\frac{k}{m}}.................(2)$

where k is the force constant of the spring and m is the loaded mass.

We can make $\omega$ the subject of formula in equation (1) as follows;

$\omega=\frac{v_{max}}{A}.................(3)$

We then combine equations (2) and (3) as follows;

$\frac{v_{max}}{A}=\sqrt{\frac{k}{m}}.................(4)$

According to the problem, the following are given;

$v_ {max }=1.92m/s\\A=0.21m\\k=223N/m$

We then substitute these values into equation (4) and solve for the unknown mass m as follows;

$\frac{1.92}{0.21}=\sqrt{\frac{223}{m}}$

$9.143=\sqrt{\frac{223}{m}}$

Squaring both sides, we obtain the following;

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3 years ago

Prove that the volume of a cube that moves with a velocity vin

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Answer:

Proof is given below

Explanation:

The length contraction is given by Δx = Δx' *√(1 - v² / c²)

where Δx' is the proper length and is measured in the frame where the object is at rest

Since the y' and z' axes are perpendicular to the direction of motion there is no contraction

So if you let V0 = Δy' * Δz' *Δx'

and V = Δy * Δz * Δx = Δy'* Δz' * Δx

Then

V = V0 * √(1 - v² / c²)

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4 years ago

What is the inverse square law and how does it relate to gravity?

Nesterboy [21]

Answer:

Inverse Square Law Newton proposed the Inverse Square Law. The effect of gravity (and also on forces such as sunlight) works like this. If say we have a half-mass Earth, it would produce a gravity of not half but a quarter (the square of 2).

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4 years ago