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2 years ago

10

HELP WILL GIVE BRAINLIEST OF CORRECT

2 answers:

stepladder [879]2 years ago

7 0

It’s D. because it’s velocity is changing

wel2 years ago

5 0

Answer:

B)

Explanation:

The answer is B)- The object's speed must be changing.

So will I get the Brainliest...

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A person wants to make a metronome for music practice. He uses a 35-g object attached to a spring to serve as the time standard.

alukav5142 [94]

To develop this problem it will be necessary to apply the concepts related to the frequency of a spring mass system, for which it is necessary that its mathematical function is described as

$f = \frac{1}{2\pi} \sqrt{\frac{k}{m}}$

Here,

k = Spring constant

m = Mass

Our values are given as,

$m = 35g = 35*10^{-3}kg$

$f = 1 Hz$

Rearranging to find the spring constant we have that,

$k = (2\pi f \sqrt{m})^2$

$k = 4\pi^2 f^2 m$

$k = (4) (\pi)^2 (1) (35*10^{-3})$

$k = 1.38N/m$

Therefore the spring constant is 1.38N/m

7 0

3 years ago

Cells are the basic building block that makes up all living things. Cells are microscopic. What does this mean?

Archy [21]

Answer:

microscopic means that they are very very tiny, you cannot see them with the human eye, you have to use a tool like a microscope

Explanation:

6 0

2 years ago

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Two cars are racing! Car A steadily speeds up from rest to 100 mph at the finish line. Car B is already moving 60 mph at the sta

Vilka [71]

Answer:

b

Explanation:

I did this test before xx

5 0

2 years ago

An Object is moving due south at 16 m/s, when a force accelerates it at 4m/s in a southerly direction. How long will it take for

N76 [4]

Answer:

Time taken to accelerate to 48 m/s = 8 seconds

Explanation:

Initially the object is moving south at = $16 m/s$

So, initial velocity of the object = $16 m/s$

Acceleration caused by the force = 4 $m/s^2$

Final velocity towards south = $48 m/s$

Using equation of motions:

$v_f=v_i+at$

where

$v_f\rightarrow$ final velocity

$v_i\rightarrow$ initial velocity

$a\rightarrow$ acceleration

$t\rightarrow$ time

Plugging in values.

$48=16+(4)t$

$48=16+4t$

Subtracting both sides by 16

$48-16=16+4t-16$

$32=4t$

Dividing both side by 4.

$\frac{32}{4}=\frac{4t}{4}$

$8=t$

∴ $t=8$

Time taken to accelerate to 48 m/s = 8 seconds

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3 years ago

Which planet has an enormous storm called the Great Red Spot swirling in its atmosphere?

matrenka [14]

Jupiter has an enormous storm called the Great red Spot swirling in its atmosphere.

answer: a. Jupiter

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3 years ago

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