3 years ago

Science and technology are interdependent. Advances in one lead to advances in the other.Give an example of this phenomenon.

1 answer:

6 0

The development of the microscope, a key innovation in the field of technology, lead to the development of Cell Theory, a key innovation in the field of science.

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A plane is flying east when it drops some supplies to a designated target below. The supplies land after falling for 10 seconds.

Ivanshal [37]

Part 1)

here we know that supply took 10 s to reach the ground

so here we will have

$y = \frac{1}{2}gt^2$

$y = \frac{1}{2}\times 9.8 \times 10^2$

$y = \frac{1}{2}\times 9.8 \times 100$

$y = 490 m$

Part 2)

Here all the supply covered horizontal distance of 650 m in 10 s interval of time

so here we can say

$speed = \frac{distance}{time}$

$v = \frac{650}{10}$

$v = 65 m/s$

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3 years ago

____ charges are attract each other

timama [110]

Answer:

One positive and one negative

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If the octupus had twelve arms then how many arms would the crab have show your work

Alexandra [31]

Answer:

I believe that the crab would have 14 arms if the octopus had 12 arms

Explanation:

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3 years ago

F= (9.3 x 105 )(4.2 x 10-15)

kvv77 [185]

Answer:

3.906E-9 or 3.906 x 10-9

Explanation:

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3 years ago

A stubborn, 100 kgkg mule sits down and refuses to move. To drag the mule to the barn, the exasperated farmer ties a rope around

jolli1 [7]

Answer:

No, the farmer is not able to move the mule.

Explanation:

Mass =100 kg

Force=F=800 N

The coefficient between the mule and the ground= $\mu_s=0.8$

$\mu_k=0.5$

Static friction force,f= $\mu N$

Normal force=N=mg

Static friction force,f= $\mu_s mg=0.8\times 100\times 9.8=784 N$

Using $g=9.8m/s^2$

F<f

Static friction force is greater than applied force.

Therefore , the farmer is not able to move the mule.

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3 years ago