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amid [387]
2 years ago
8

A 755 N force is used to push a 15 Kg box across the floor. What is the acceleration of the box?

Physics
2 answers:
Reil [10]2 years ago
6 0

Answer:

a = 151/3 m/s²

General Formulas and Concepts:

<u>Forces</u>

Newton's 2nd Law of Motion: F = ma

  • <em>F</em> is force (in N)
  • <em>m</em> is mass (in kg)
  • <em>a</em> is acceleration (in m/s²)

Explanation:

<u>Step 1: Define</u>

<em>Identify variables</em>

F = 755 N

<em>m</em> = 15 kg

<u>Step 2: Solve for </u><em><u>a</u></em>

  1. Substitute in variables [Newton's 2nd Law of Motion]:                                 755 N = (15 kg)a
  2. Isolate <em>a</em>:                                                                                                            a = 151/3 m/s²

Topic: AP Physics 1 - Algebra Based

Unit: Forces

cluponka [151]2 years ago
3 0

Answer:

good question!

Explanation:

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Norma-Jean [14]

The actual distance of Regulus from Earth is 23.81 parsecs.

Given:

Parallax of Regulus, p = 0.042 arc seconds

Calculation:

When an observer changes their position, an apparent change in the object's position takes place. This change can be calculated using the angle ( or semi-angle) made by the observer and object i.e. the angle made between the two lines of observation from the object to the observer.

Thus from the relation of parallax of a celestial body we get:

S = 1/ tan p ≈ 1 / p

where S is the actual distance between the object and the observer

            p is the parallax angle observed

Here for Regulus, we get:

S = 1 / p

  = 1 / (0.042)                                     [ 1 parsecs = 1 arcseconds ]

  = 23.81 parsecs

We know that,

1 parsecs = 3.26 light-years = 206,000 AU

Converting the actual distance into light years we get:

23.81 parsecs = 23.81 × (3.26 light yrs) = 77.658 light-years

Therefore, the actual distance of Regulus from Earth is 23.81 parsecs which is 77.658 in light years.

Learn more about astronomical units here:

<u>brainly.com/question/16471213</u>

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6 0
1 year ago
Reflected waves change their wavelength by ______ when reflected.
natita [175]

Answer:

i think its c

Explanation:

trust me

4 0
2 years ago
When a 5.0kg cart undergoes a 2.2m/s increase in speed, what is the impulse of the cart
Karolina [17]

Answer:

11.0 kg m/s

Explanation:

The impulse exerted on the cart is equal to its change in momentum:

I=\Delta p=m\Delta v

where

m = 5.0 kg is the mass of the cart

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Substituting numbers into the equation, we find

I=(5.0kg)(2.2 m/s)=11 kg m/s

7 0
3 years ago
Read 2 more answers
Elements in Group 18, at the far right of the periodic table, are called what?
alekssr [168]
The elements is group 18 on the periodic table are called "Nobel Gases".
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3 years ago
Help<br> A. 12,240<br> B. 6,120
nata0808 [166]

Answer:

A. 12,240.

Explanation:

1,530 times 8.0 = 12,240.

hope this helped :)

3 0
2 years ago
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