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antoniya [11.8K]

3 years ago

12

Which of Newton's laws accounts for the following statement?

2 answers:

sveticcg [70]3 years ago

5 0

first law is the answer

hope this helps

Novay_Z [31]3 years ago

5 0

Answer: The correct answer is Newton's first law.

Explanation:

Newton's first law of motion states that an object remains at rest or in motion until and unless an external force is applied on it.

In the question, it is given that a force is required to cause an object to deviate from a straight line. This means that an external force is provided to the object to deviate its path. And hence, this phenomena is caused by Newton's First law.

Hence, the correct answer is Newton's first law.

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Students in an introductory physics lab are producing a region of uniform electric field by applying a voltage to two 20-cm-diam

earnstyle [38]

Answer:

69000 V

Explanation:

E = Electric field = $3\times 10^6\ V/m$

d = Distance between plates = 2.3 cm

When we multiply the electric field strength and the distance between the plates of a capacitor we get the maximum voltage.

Maximum voltage is given by

$V_m=Ed\\\Rightarrow V_m=3\times 10^6\times 2.3\times 10^{-2}\\\Rightarrow V_m=69000\ V$

The highest voltage the students can use is 69000 V

4 0

3 years ago

What is the term for a motion you make on a touch screen with the tip of one or more fingers or your hand?

frozen [14]

Double tap, zoom in.

please vote my answer brainliest. thanks!

6 0

3 years ago

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kap26 [50]

Answer:

ummmm is this even a question

Explanation:

3 0

2 years ago

A 5.00 cm tall object is placed 4.25 cm from a lens and produces an image that is 3.00 cm behind the lens. What is the magnifica

Naya [18.7K]

Answer:

The magnification of the lens is 0.7

Explanation:

We have,

Height of an object is 5 cm

Object is placed 4.25 cm from a lens

Image is formed 3.00 cm behind the lens.

It means u = -4.25 cm

v = -3 cm (behind the lens)

Magnification of the lens is given by :

$m=\dfrac{v}{u}\\\\m=\dfrac{-3}{-4.25}\\\\m=0.70$

So, the magnification of the lens is 0.7

5 0

2 years ago

A plastic boat with a 25 cm² square cross section floats in a liquid. One by one, you place 50-g masses inside the boat and meas

Crank

Answer:

Explanation:

Archimedes principle states that the upward buoyant foce exrted on a body is equal to th wight o the liquid displaced.

Now, the buoyant force on the boat is given by:

$(m+m_b)g=V\rho g$

$V$ is the volum $\rho$ is the density $m_b$ is the mass of the boat and $m$ is the mass added to the boat.

$(m+m_b)g=(Sd)\rho$

$S$ is the surface area and $d$ is the depth.

$m=Sd\rho - m_b...(1)$

The equation for thebest fit linis,

$d=(0.374m/kg)m+0.11m$

Re-arrangethis equati for $m$

$m=\frac{d}{(0.374m/kg)}-\frac{0.11m}{0.374m/kg}...(2)$

From equations(1) and (2),

$Sd\rho=\frac{d}{0.374m/kg}$

the density is,

$\rho=\frac{1}{S(0.0374m/kg)}=\frac{1}{(25cm^2)(\frac{1m^2}{10^4cm^2})(0.374m/kg)}=1.069\times 10^3 kg/m^3$

Therefore, the density of the liquid is

$\rho=1.07\times 10^3 kg/m^3$

5 0

2 years ago