There is at least one USCG-endorsed Class B-1 for the fire extinguisher that is required on any powerboat unless it is with the accompanying special case:
1. speedboats under 26 feet long,
2. moved by detachable engines and
3. not conveying travelers for procuring, require not convey such compact fire dousers if
4. the development of such speedboats won't allow the entanglement of touchy or combustible gasses or vapors

5 0

3 years ago

What are five differences between drama and prose

Romashka [77]

Answer:

Drama: it has sadness anger and romance

and

i forgot about Prose =w=

Explanation:

6 0

3 years ago

Refraction of sound waves often takes place when:

Ainat [17]

<span>Refraction is where the direction of travel of sound waves is altered by passing through a material of much higher or lower density. Walls that allow sound through are one example, but answer B is more about walls bouncing sound back - that's an example of reflection. The most likely change of density is answer A, air with big temperature differences.</span>

6 0

3 years ago

(II) How much work did the movers do (horizontally) pushing a 46.0-kg crate 10.3 m across a rough floor without acceleration, if

Gwar [14]

Answer:

2324 J

Explanation:

The formula for work is:

$W=F*d$

where $F$ is the force applied, and $d$ is the distance moved, in this case $d=10.3m$

and we need to find $F.$

Since the crate is not moving up or down, we conclude that the <u>normal force must be equal to the weight </u>of the object:

$N=w$

where $N$ is the normal force and $w$ is the weight, which is: $w=mg$ , where g is the gravitational acceleration $g=9,81m/s^2$ and $m$ is the mass $m=46kg$ .