PLEASE PLEASE I DONT KNOW HOW TO ANSWER THIS ANYTHING WOULD HELP THANKS SO MUCH

Physics

2 answers:

fomenos3 years ago

8 0

Thankfull for point's.

Ksivusya [100]3 years ago

5 0

Not sure maybe khan academy can be helpful has been to me :)

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If you double the dimensions of a cube what happens to the volume

Triss [41]

By definition, a cube is a three-dimensional figure that have equal dimensions for all its sides. It comprises of two square bases, one on top and one on the bottom. The face sides are also squares. Therefore, the volume of a cube is equal to s³, where s is the measure of the side's length. To compare the change, let us assume values. First, suppose s=1. Then, we denote this volume as V₁.

V₁ = (1)³ = 1

Next, taking the double, s=2. The volume for this is denoted as V₂.

V₂ = (2)³ = 8

Taking the ratio of V₂ to V₁:

V₂/V₁ = 8

That means the scale factor is 8. When the side dimensions is doubled, the volume of the cube increases 8 times as great as the original volume.

8 0

3 years ago

A bus initially moving at 20 m/s with an acceleration of -4m/s² for 5

Alborosie

Answer:

50m; 0m/s.

Explanation:

Given the following data;

Initial velocity = 20m/s

Acceleration, a = - 4m/s²

Time, t = 5secs

To find the displacement, we would use the second equation of motion;