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Lelechka [254]
3 years ago
14

The division of earths history into similar units makes up the

Physics
1 answer:
Pie3 years ago
8 0
The answer is letter C. Periods
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234 oz to tons using the table method (US)
Rom4ik [11]

Answer:

234 oz = 0.0066339 t.

Explanation:

Boom Logic...

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2 years ago
What compound makes up carbohydrates?
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The monomer of glucose makes up all carbohydrates
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2 years ago
The coefficient of linear expansion of steel is 12 × 10-6 K-1 . What is the change in length of a 25-m steel bridge span when it
Westkost [7]

Answer:

0.012-m

Explanation:

∆L = α × Lo × (T-To)

α is the coefficient of linear expansion = 12 × 10-6 K-1

Lo = Initial length = 25-m

∆L = Change in length

(T-To) = 40 K

∆L = 12 × 10-6 × 25 × 40

∆L = 0.012-m

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3 years ago
In which situation is the object experiencing unbalanced forces
schepotkina [342]

Answer:

D

Explanation:

3 0
2 years ago
A box of books weighing 325 N moves at a constant velocity across the floor when the box is pushed with a force of 425 N exerted
Mazyrski [523]

Answer:

Mu,k between the floor and the box is 0.609

Explanation:

given information:

weight of the book, W = 325 N

applied force, F = 425 N

angle, θ = 35.2°

to find the coefficient kinetic between the floor and the box, wee need to calculate the horizontal and vertical force.

first we calculate the vertical force, there are weight, normal force(N) and applied vertical force.

according to Newton's first law

ΣF = 0

ΣF_{y} = 0

W - N + F sin θ = 0

N = W + F sin θ

Next, we calculate the force in horizontal direction. applied force and friction force(F_{friction})

ΣF_{x} = 0

F cos θ - F_{friction} = 0

F cos θ - μk (W - F sin θ) = 0

μk =  (F cos θ) / (W + F sin θ)

    = (425 cos 35.2°)/(325+425 sin 35.2°)

    = 0.609

3 0
3 years ago
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