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2 years ago

State Newton's first law of motion.

Physics

2 answers:

Anika [276]2 years ago

5 0

Answer:

Newton 's First law of motion States that a body at rest will remain at rest position only and a body which is in motion continues to be in motion until and unless any external Force is applied.

Explanation:

Hope it helps!.

bonufazy [111]2 years ago

5 0

Answer:

Newton's first law states that if a body is at rest it will remain at rest and if a body is in motion it will remain in motion until an external force is applied on the body.

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Your cat "Ms." (mass 7.00 {\rm kg}) is trying to make it to the top of a frictionless ramp 2.00 {\rm m} long and inclined upward

lbvjy [14]

Answer:

Final velocity at the top of the ramp is 6.58m/s

Explanation

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3 years ago

A constant force of 12N is applied for 3.0s to a body initially at rest. The final velocity of the body is 6.0ms–1. What is the

sp2606 [1]

From the question,
$u = 0m {s}^{ - 1}$
$v = 6m {s}^{ - 1}$

$t = 3s$
$F=12N$

Using Impulse, the product of the constant force, F and time t equals the product of the mass of the body and change in velocity.

$Ft =m(v-u)$

$12(3.0)=m(6.0- \: 0)$
This implies that

$36.0 = 6m$
$m = \frac{36.0}{6.0}$
$\therefore \: m = 6.0kg$

You can also use the equation of linear motion,
$v = u + at$
$6 = 0 + a(3)$
$6 = 3a$
$a = \frac{6}{3}$

$a = 2 {ms}^{ - 2}$
But
$F=ma$
$12 = m(2)$
$12 = 2m$
$\frac{12}{2} = m$
$\therefore \: m = 6kg$

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3 years ago

How does radioactive decay work

Lesechka [4]

Answer:

Radioactive decay is the spontaneous breakdown of an atomic nucleus resulting in the release of energy and matter from the nucleus. Remember that a radioisotope has unstable nuclei that does not have enough binding energy to hold the nucleus together.

Explanation:

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3 years ago

Your family decided to go to sea World in San Antonio this weekend. If it takes

Ne4ueva [31]

Answer:

63 mph

Explanation:

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2 years ago

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adoni [48]

Answer:

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2 years ago

State Newton's first law of motion.​

State Newton's first law of motion.