3 years ago

Who knows what an Event Horizon is?

2 answers:

5 0

In general relativity, an event horizon is a boundary in spacetime beyond which events cannot affect an outside observer. In layman's terms, it is defined as the shell of "points of no return", i.e., the points at which the gravitational pull becomes so great as to make escape impossible, even for light.

ale4655 [162]3 years ago

4 0

A theoretical boundary around a black hole beyond which no light or other radiation can escape.

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A quantity that is conscious of direction is referred to as a:.

Gnom [1K]

Answer:

Vector quantity

Explanation:

7 0

2 years ago

(a) Complete the table below to identify the physical quantities as scalars or vectors.

katrin [286]

A :-) 1.) speed is a scalar quantity.
2.) Velocity is a vector quantity.
3.) Distance is a scalar quantity.
4.) Force is a vector quantity.
5.) Kinetic is a scalar quantity.

4 0

3 years ago

A typical sugar cube has an edge length of 1 cm. If you had a cubical box that contained a mole of sugar cubes, what would its e

SOVA2 [1]

Since <span>volume of each cube is 1 cm^3
Then we can get the </span>volume of 1 mole of cubes, which is $1 * 6.02 * 10^23 cm^3$
The edge $edge = v^1/3$
And the new adge that we are looking for: $new edge = (6.02*10^23)^1/3$ = $= 1.8191 * 46415888.336 
= 84435142.472 
$
So, the final soution for the edge length of cube is 844km.

Do hope it helps!
Regards.

5 0

3 years ago

An object accelerates to a velocity of 230 m/s over a time of 2. 5 s. The acceleration it experienced was 42 m/s2. What was its

11Alexandr11 [23.1K]

An object accelerates to a velocity of 230 m/s over a time of 2. 5 s. The acceleration it experienced was 42 m/s2. Its initial velocity will be 125 m/s

final velocity = 230 m/s

time = 2.5 second

acceleration = 42 $m/s^{2}$