PHYSICS MIDDLE SCHOOL

You travel 25 meters east and then travel 48 meters south. What is your total displacement

Answers

Answer 1

Answer:

Answer:

54.1 m at $-62.5^(\circ)$ (south of east)

Explanation:

Displacement is a vector connecting the initial position with the final position of motion.

In this problem, the motion consists of two parts:

- A first movement 25 m east

- A second movement 48 m south

We can therefore write a vector representing the displacement as

$d=(25i-48j)$

where i is the unit vector indicating the east direction and j the unit vector indicating the north direction.

Therefore, the total displacement is just the magnitude of this vector:

$d=√(25^2+(-48)^2)=54.1 m$

And the direction is given by

$\theta=tan^(-1)((d_y)/(d_x))=tan^(-1) ((-48)/(25))=-62.5^(\circ)$

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The normal acceleration in the United States is zero to sixty time. The average rate on ordinary cars was between 3 and 4 m/s2

I went to everybody's favorite search engine to get some data to answer this question with. I can't name it, but it rhymes with Floogle. Anyway, I searched for the phrase "zero to 60" just to get an idea of what's hot.

Floogle pointed me to a website that provided this data on fast cars:

#1). 2016 AMZ Grimsel Electric Race Car0-60 mph 1.5 sec

#2). 2014 Porsche 918 Spyder0-60 mph 2.3 sec

#3). 2015 Tesla Model S P90D 'Ludicrous Speed' Upgrade0-60 mph 2.6 sec

And my favorite, because I own one:

#4). 2000 Dodge Intrepid ES 0-60 mph 8.4 sec

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#2). 11.66 m/s² (1.19 G's)
#3). 10.32 m/s² (1.05 G's)
#4). 3.19 m/s² (0.33 of a G)

That's what these "fast cars" will do, on the track,
with their pedals mashed to the metal.

"Normal" accelerations are all less than these.

How long ago did the Big Bang happen?

Answers

approximately 13.8 billion years ago.

the big bag happened around 13.7 Billion years ago, according to the standard big bag theory (not the show the scientific theory), sprang in to existences as singularity.

Column A is in the x-axis, and column B is on the y-axis. Which titles should replace A and B

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Column A: x-axis, input, domain

Column B: y-axis, output, range

Those are other ways to describe them

hope i helped:)

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Answers

Rubber is a insulator so current cannot pass through it where as metal is a conductor which allows current to pass through it

as rubber is an insulator or bad conductor current cannot pass

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Answers

The eagle is on top of the tree. It is not in motion so it has potential energy.

It has the potential of falling and having energy.

Once the Eagle falls from the tree it is now moving and has Kinetic energy.

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The boundary between cold and warm air masses is called

Answers

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Answer: It would be a front

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