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jok3333 [9.3K]
3 years ago
13

Which of the following advancements could science and technology reasonably contribute to society?

Physics
2 answers:
Alexxx [7]3 years ago
7 0

Answer:            

idk search it on google chrome

Explanation:

tia_tia [17]3 years ago
3 0

Answer:

The effects of technological advancement are both positive and negative. Positively, technology advancement has simplified the way we do things, it saves time, it increases on production, it simplifies communication, it has improved health care and it has also improved our educational environment.

Explanation:

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A car moves at speed v across a bridge made in the shape of a circular arc of radius r. (a) Find an expression for the normal fo
inna [77]

Answer:

(a) FN = m (g - \frac{v^{2} }{r})

(b) vmin = 17.146 m/s

Explanation:

The radius of the arc is

r = 30m

The normal force acting on the car form the highest point is

FN = m (g - \frac{v^{2} }{r})

If the normal force become 0 we have

m (g - \frac{v^{2} }{r}) = 0

or

g - \frac{v^{2} }{r} = 0

This way, when FN = 0, then v = vmin, so

g - \frac{vmin^{2} }{r} = 0

vmin = \sqrt[.]{g*r} = \sqrt[.]{9.8 m/s^{2} * 30m } = 17.146 m/s

4 0
3 years ago
A 4 kg and 6 kg bowling ball are dropped from the same height at the same time. The two balls strike the ground at the same time
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The force of gravity on objects is proportional to the mass of each object.

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The forces of gravity between the Earth and the 6kg ball are 50% greater
than the forces of gravity between the Earth and the 4kg ball.

(The gravitational forces between the 4kg ball and the 6kg ball, or between
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5 0
2 years ago
Read 2 more answers
1. Say whether the following statements are true or false and explain why:
tiny-mole [99]

Explanation:

A] TRUE

B] TRUE

C] FALSE

D] FALSE

E] TRUE

F] TRUE

G]FALSE

H] FALSE

8 0
3 years ago
What is the Octet rule
egoroff_w [7]

Answer:

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5 0
3 years ago
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Hoochie [10]

Answer:

v = 3869 m/s

Explanation:

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now from above equation we know that

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v = (\frac{2\pi GM}{T})^{1/3}

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3 0
2 years ago
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