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3 years ago

Scientific laws explain_____.

Physics

2 answers:

saveliy_v [14]3 years ago

8 0

A pattern in nature observed over and over

GREYUIT [131]3 years ago

6 0

Answer: a pattern in nature observed over and over

Explanation:

A scientific law can be define as statement which either describes or predict the natural phenomena. The information given in the scientific law is verified by the experimental procedures and observations which are done under conditions which are tried to mimic the natural system. It can be used to describe the cause of a natural phenomena, duration of natural phenomena and conditions necessary for the occurrence of natural phenomena and also gives information why and how a natural phenomena repeat itself.

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2 years ago

An object accelerates 1.3 m/s2 when a force of 3.7 newtons is applied to it. What is the mass of the object?

bezimeni [28]

Answer:

<h3>The answer is 2.85 kg</h3>

Explanation:

The mass of the object can be found by using the formula

$m = \frac{f}{a} \\$

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From the question we have

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2 years ago

Two boxes connected by a light horizontal rope are on a horizontal surface. The coefficient of kinetic fric-tion between each bo

babunello [35]

Answer:

(A). The tension in the rope that connects the boxes is 10.50 N.

(B). The value of m is 7 kg.

Explanation:

Given that,

Mass of box B = 5.00 kg

Mass of box A = m

Force = 40.0 N

Direction= 53.1°

Acceleration = 1.50 m/s²

Coefficient of kinetic friction = 0.30

(A). We need to calculate the tension in the rope that connects the boxes

Using balance equation

$T=ma+m\cos\theta$

Put the value into the formula

$T=5\times1.50+5.00\cos53.1$

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(B). We need to calculate the value of m

Using formula of tension

$T=ma$

$m=\dfrac{T}{a}$

Put the value into the formula

$m=\dfrac{10.50}{1.50}$

$m=7\ kg$

Hence, (A). The tension in the rope that connects the boxes is 10.50 N.

(B). The value of m is 7 kg.

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Answer:

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