3 years ago

What is the scientific name for a push or a pull?

Physics

2 answers:

Allisa [31]3 years ago

5 0

Answer:

force

Explanation:

the definition of a push or pull is force

neonofarm [45]3 years ago

4 0

Answer:

thats a force

Explanation:

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The picture to the right shows which wave behavior?

kifflom [539]

Answer:

It is refraction

Explanation:

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3 years ago

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An anchor with a density of 700 lb/ft3 tied to a rope is submerged in water (but is not touching the bottom). It has a volume of

Ivanshal [37]

Answer:

Explanation:

Given

Density of anchor $\rho _a=700\ lb/ft^3$

Volume of anchor $V=2.8\ ft^3$

Density of water $\rho _w=62.4\ lb\ft^3$

Buoyancy force on submerged object is given by

$F_B=\rho _W\times V\times g$

$F_B=62.4\times 2.8\times 32.2=5625.98\approx 5626\ approx lbf$

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4 years ago

A container explodes and breaks into three fragments that fly off 120° apart from each other, with mass ratios 1: 4: 2. If the f

RSB [31]

Answer:

V₂ = 1.5 m/s

Explanation:

given,

speed of the first piece = 6 m/s

speed of the third piece = 3 m/s

speed of the second fragment = ?

mass ratios = 1 : 4 : 2

fragment break fly off = 120°

α = β = γ = 120°

sin α = sin β = sin γ = 0.866

using lammi's theorem

$\dfrac{A}{sin\alpha}=\dfrac{B}{sin\beta}=\dfrac{C}{sin\gamma}$

A,B and C is momentum of the fragments

$\dfrac{m\times 6}{0.866}=\dfrac{4m\times v_2}{0.866}=\dfrac{2m\times 3}{0.866}$

4 x V₂ = 2 x 3

V₂ = 1.5 m/s

3 0

3 years ago

Which of the following elements would not be considered a nonmetal

Debora [2.8K]

There are no nonmetals on the list you provided.

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4 years ago

A 450 N trunk rests on a 30 degree inclined plane. What is the force acting down the

Minchanka [31]

Answer: What is the force acting down the plane?

• Opp= hyp (sinq)= 450(sin30)= 225 N

• What is the force acting perpendicular to the plane?

• adj= hyp (cosq)= 450(cos30)= 390 N

Explanation:

4 0

3 years ago