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Nutka1998 [239]
3 years ago
13

Speed is a component of skill related fitness what does speed enable you to do.

Physics
1 answer:
Mrrafil [7]3 years ago
7 0

I'd say move faster, unless it's asking something else.

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A hole of radius r is bored through the center of a sphere of radius r. Find the volume v of the remaining portion of the sphere
nikklg [1K]

Answer:

Πr²(4r/3 - h)

Explanation:

Volume of a sphere is 4/3Πr³. If a hole of radius r is bored through, the hole with generate a circular shape in the sphere. The volume of the remaining portion of the sphere will be the difference between the volume of the sphere and the area of the hole bored(which will be volume of a cylinder since the hole bored will create a cylindrical shape in the sphere)

Area of the remaining portion = Volume of sphere - volume of a cylinder

Volume of sphere = 4/3Πr³

Volume of a cylinder = Πr²h

Volume of the remaining portion = 4/3Πr³ - Πr²h

= Πr²(4r/3 - h)

Where h is the height of the cylindrical hole

5 0
3 years ago
Read 2 more answers
you're riding on a train that's moving at 5 km/h and you roll a ball down the aisle at 2 km/h in the same direction as the train
jekas [21]
Just add the 2 and 5.
7 km/h
3 0
3 years ago
The former soviet union launched the first artificial earth satellite. What is the name of this satelitte?
faltersainse [42]

Answer:

Sputnik I.

Explanation:

The Soviet Union (former) launched the first artificial earth satellite called Sputnik I on October 4, 1957.

It had a diameter of 58 cm and it weighed 83.6 kg. It had an orbital period of 5880 seconds around the earth. It orbited the 11 weeks (officially 3 weeks but then, its battery died and it orbited for 8 weeks before falling back into the earth's atmosphere).

7 0
3 years ago
Why does a small pebble sin in water?
strojnjashka [21]
A small pebble would sink in water because it is to light and can’t hold itself up in the water. Hope this helped!
6 0
3 years ago
Which statement correctly describes the differences between positive and negative acceleration? Positive acceleration describes
qwelly [4]

The correct answer is - Positive acceleration describes an increase in speed; negative acceleration describes a decrease in speed.

4 0
3 years ago
Read 2 more answers
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