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irina [24]
4 years ago
14

What could serve as ballast for a balloon? Help pls...thx

Physics
1 answer:
I am Lyosha [343]4 years ago
6 0
With the advent of the plastic balloon and the beginning of the unmanned ... That would lead to a more sophisticated ballast system that uses fine steel or iron
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Complete the sentence to describe what a wave is and what it does. A wave is a disturbance that carries from one place to anothe
kozerog [31]

Answer:

Energy

A wave is a disturbance that carries energy from one place to another through matter and space.

Explanation:

A wave can be defined as a form of disturbance that carries energy from one place to another through matter and space.

The energy of wave depends on the frequency of the wave and the wavelength (lambda) of that particular wave.

Mathematically,

V = f × lambda

5 0
4 years ago
Read 2 more answers
There is a bell at the top of a tower that is 95 m high. The mass of the bell is 21 kg. What is the potential energy of the bell
melomori [17]

Answer:

19,551 J!

Explanation:

The formula is PE = ham (h=height, a= acceleration or 9.8, m= mass)

PE = (95)(9.8)(21)

PE = 19,551 Joules

5 0
3 years ago
How would you set it up?
Firdavs [7]

Answer:

THE LAST OPTION

Explanation:

5 0
4 years ago
Im confused about something... how many years would it take to reach the sun..
zysi [14]

Answer:

I would take 19.3 year to fly to the sun

6 0
3 years ago
A person can run 280 m in 68 s. At what speed are they running?
ella [17]

Answer:

Explanation:

Hi there,

280 miles in 68 seconds

280/68 in 1 second

= 4.12 miles per second

 

or 4.12 x 60

247.2 miles per minute

or 247.2 X 60

= 14832 miles per hour

Hope this helps :-)

6 0
4 years ago
Read 2 more answers
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