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3 years ago

Which statement is true according to newtons second law of motion?

Physics

2 answers:

dybincka [34]3 years ago

7 0

Answer:

The answer is C) An object accelerates in the same direction as that of the force applied.

Explanation:

Newton's laws are known as laws of motion; they are three principles from which a large part of the problems posed in mechanics are explained, particularly those related to the movement of bodies. Newton's Second Law determines a proportional relationship between force and variation in the amount of movement, that is, the force is directly proportional to the mass and acceleration of a body.

LekaFEV [45]3 years ago

5 0

<span>C) An object accelerates in the same direction as that of the force applied.</span>

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Match each word to it's correct meaning.

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3 years ago

A sinusoidal transverse wave travels along a long, stretched string. The amplitude of this wave is 0.08190.0819 m, its frequency

Anvisha [2.4K]

Answer:

The shortest transverse distance between a maximum and a minimum of the wave is 0.1638 m.

Explanation:

Given that,

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3 years ago

Drag the right word to the word that means the opposite

Ainat [17]

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2 years ago

In one of the classic nuclear physics experiments at the beginning of the 20th century, an alpha particle was accelerated toward

Vladimir79 [104]

Answer:

The answer is " $1.01 \times 10^{-13}$ "

Explanation:

Using the law of conservation for energy. Equating the kinetic energy to the potential energy.

$KE=U=\frac{kqq'}{r}\\\\$

Calculating the closest distance:

$\to r=\frac{kqq'}{KE}\\\\$

$=\frac{k(2e)(79e)}{KE}\\\\=\frac{k(2)(79)e^2}{KE}\\\\=\frac{9.0\times 10^9 \ N \cdot \frac{m^2}{c}(2)(79)(1.6 \times10^{-19} \ C)^2}{(2.25\ meV) (\frac{1.6 \times 10^{-13} \ J}{1 \ MeV})}\\\\$

$=\frac{9.0\times 10^9 \times 2\times 79\times 1.6 \times10^{-19}\times 1.6 \times10^{-19} }{(2.25 \times 1.6 \times 10^{-13}) }\\\\=\frac{3,640.32\times 10^{-29}}{3.6 \times 10^{-13} }\\\\=\frac{3,640.32}{3.6} \times 10^{-16}\\\\=1011.2 \times 10^{-16}\\\\=1.01 \times 10^{-13}$

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3 years ago