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3 years ago

What is the slope of a line that is perpendicular to a line whose equation is -2y=3x+7

Physics

2 answers:

ira [324]3 years ago

6 0

Answer:

2/3

Explanation:

meaning 2 over 3^^^

pashok25 [27]3 years ago

4 0

Answer: -1/3

Explanation:

A line that is perpendicular to another will have a slope that is the negative inverse/ reciprocal of said line.

y=mx+c

Where m is the slope

For -2y=3x+7, the slope is 3

Therefore, the perpendicular line will have a slope of -1/3

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PSYW - Please Show Your Work

Ad libitum [116K]

Answer:

9.66E4 J

Explanation:

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2 years ago

A car takes off from rest takes of from rest and covers a distance of 80m on a straight road in 10s.Calculate the magnitude of i

hodyreva [135]

Initial velocity (u) = 0 m/s [the car was at rest]
Distance (s) = 80 m
Time (t) = 10 s
Let the magnitude of acceleration be a.
By using the equation of motion, $s = ut + \frac{1}{2} a {t}^{2}$ we get, $80 = 0 \times 10 + \frac{1}{2} \times a \times {10}^{2} \\ = > 80 = \frac{1}{2} \times 100a \\ = > 80 = 50a \\ = > a = \frac{80}{50} \\ = > a = 1.6$

Answer:

The magnitude of its acceleration is 1.6 m/s^2.

Hope you could get an idea from here.

Doubt clarification - use comment section.

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2 years ago

How does the value of gravity vary as you go:

iragen [17]

Answer:

Gravity changes with altitude. as we know The gravitational force is proportional to 1/R2, where R is your distance from the center of the Earth.

eg. The radius of the Earth at the equator is 6400 kilometers.

Let's say you were in a jet at the equator that was 40 kilometers high above the earth's surface.

may be helpfull

6 0

1 year ago

Should a flat grassland or a hillside have deeper soil? Explain your answer.

Fudgin [204]

A hillside of course my friend

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2 years ago

The diagram shows a screwdriver being used as a lever to open a tin

Musya8 [376]

Answer:

(a) Most reactive ${}$ Metal B

${}$ Metal D

${}$ Metal A

Least reactive ${}$ Metal C

(b) (i) Bubbles should form very slowly

(ii) No reaction takes place

Explanation:

(a) The given metals arranged in their order of reactivity are;

Most reactive ${}$ Metal B

${}$ Metal D

${}$ Metal A

Least reactive ${}$ Metal C

The other of reactivity is based on the nature of their reactivity of the metals in air

(b) (i) Based on the reactivity of the metals in air, whereby metal A reacts very slowly and an oxide is formed, we have that, based on the reactivity of the metal A, when mixed with dilute hydrochloric acid, bubbles should form very slowly

(ii) Similarly, given that metal C is unreactive, we have that when small pieces of metal C are added to dilute hydrochloric acid, no reaction takes place.

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2 years ago