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Elenna [48]
2 years ago
9

Which formula is used to find an object’s acceleration?

Physics
1 answer:
marissa [1.9K]2 years ago
8 0

Answer:

Δv/Δt

Explanation:

I beat your game SAW.

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A simple pendulum consists of a point mass suspended by a weightless, rigid wire in a uniform gravitation field. Check all that
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Answer:

f.The period is independent of the suspended mass.

Explanation:

The period of a pendulum is given by

T=2 \pi \sqrt{\frac{L}{g}}

where

L is the length of the pendulum

g is the acceleration due to gravity

From the formula, we see that:

1) the period of the pendulum depends only on its length, L, and it is proportional to the square root of the length

2) the period does not depend neither on the mass of the pendulum, nor on its amplitude of oscillation

So, the only correct statements are

f.The period is independent of the suspended mass.

Note: statement "e.The period is proportional to the length of the wire" is also wrong, because the period is NOT proportional to the length of the wire, but it is proportional to the square root of it.

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2 years ago
The figure above shows the net force exerted on an object as a function of the position of the object. The object starts from re
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Answer:

0.06 Kg

Explanation:

From the question given above, the following data were obtained:

Initial velocity (u) = 0 m/s

Final velocity (v) = 3.0 m/s

Distance (s) = 0.09 m

Net Force (F) = 3 N

Mass (m) =?

Next, we shall determine the acceleration of the object. This can be obtained as follow:

Initial velocity (u) = 0 m/s

Final velocity (v) = 3.0 m/s

Distance (s) = 0.09 m

Acceleration (a) =?

v² = u² + 2as

3² = 0² + (2 × a × 0.09)

9 = 0 + 0.18a

9 = 0.18a

Divide both side by 0.18

a = 9 / 0.18

a = 50 m/s²

Finally, we shall determine the mass of the object. This can be obtained as follow:

Net Force (F) = 3 N

Acceleration (a) = 50 N

Mass (m) =?

F = ma

3 = m × 50

Divide both side by 50

m = 3 / 50

m = 0.06 Kg

Therefore, the mass of the object is 0.06 Kg

5 0
2 years ago
at room temperature, iron is a solid and mercury is a liquid. based on this information we can infer thata. iron has a higher bo
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A. iron has a higher boiling point thanmercury.
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Through x rays is harmful for human health it is used in medical field why?
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It is strong enough to penetrate through flesh but not bone so we can see if there are fractures or breaks in our skeleton
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A converging lens can produce both real and virtual images depending on the position of the object. Explain when converging lens
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Answer: C

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