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inessss [21]
3 years ago
12

The sketch shows a painter’s scaffold in mechanical equilibrium. The person in the middle weighs 225 N, and the tension in each

rope is 300 N. What is the weight of the scaffold?
Physics
1 answer:
musickatia [10]3 years ago
3 0

Answer:

The weight of the scaffold is 375 N.

Explanation:

It is given that,

The weight of the person in the middle, W = 225 N

Tn tension in each rope, T = 300 N

Let w is the weight of the scaffold. On equilibrium, the net forces can be written in terms of :

w + 225 = 300 + 300

w = 375 N    

So, the weight of the scaffold is 375 N. Hence, this is the required solution.      

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Answer:

The acceleration of a 1000 kg car subject to a 550 N net force = 0.55 m/s^2

Explanation:

Given:

F = 550 N

m = 1000 kg

To Find:

a = ?

Solution:

So by the equation by Newton's 2nd Law of Motion,

F = m x a

550 N = 1000 kg x a

a = 550 N/ 1000 kg

a = 0.55 m/s^2

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The acceleration of a 1000 kg car subject to a 550 N net force = 0.55 m/s^2

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UkoKoshka [18]

Answer:

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3 years ago
A child kicks a ball horizontally with a speed of 4.8 m/s off a deck 3.5 m off the ground. How far, in meters, from the deck doe
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Answer:

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Explanation:

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g is the acc due to gravity = 9.8m/s²

R = 3.5m

Substitute into the formula and get H

3.5 = 4.8√2H/9.8

3.5/4.8 = √2H/9.8

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0.7292² = 2H/9.8

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Answer:

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