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konstantin123 [22]
4 years ago
5

A tape dispenser is an example of which simple machine

Physics
1 answer:
Illusion [34]4 years ago
8 0

Answer:

lever

Explanation:

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A spherical balloon has a radius of 6.95m and is filled with helium. The density of helium is 0.179 kg/m3, and the density of ai
klio [65]

Answer:

602.27 kg

Explanation:

The computation of the largest mass of cargo the balloon can lift is shown below:-

Volume of helium inside the ballon= (4 ÷ 3) × π × r^3

= (4 ÷ 3) × 3.14 × 6.953

= 1406.19 m3

Mass the balloon can carry = volume × (density of air-density of helium)

= 1406.19 × (1.29-0.179)

= 1562.27 kg

Mass of cargo it can carry = Mass it can carry - Mass of structure

= 1562.27 - 960

= 602.27 kg

6 0
3 years ago
Electromagnetic waves A. All have the same wavelength B. Do not carry energy C. Can travel through empty space D. All have the s
VARVARA [1.3K]

Electromagnetic waves can travel and carry energy through empty space.
Which is lucky, because that's how we get our heat and light from the Sun.


6 0
3 years ago
A photovoltaic coverts _____ energy
Grace [21]

A photovoltaic conversion changes luminosity energy to electrical energy.

4 0
3 years ago
Is density independent of sample size?
erik [133]

Answer:

➢ Length, Width, Height, Volume, Mass. ➢ A size independent property is a physical property that does not change when the size of an object changes.

Examples:

➢ Examples of size independent properties: ➢ Density, Color, State of Matter.

Hope this helps :)

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4 years ago
Why is it dangerous to swim in ice cold water
LuckyWell [14K]

Answer:

I would say letter A because it would leave you body

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