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r-ruslan [8.4K]

3 years ago

15

What word is used to describe knowledge about the universe and the method of obtaining that knowledge?

1 answer:

Mumz [18]3 years ago

4 0

Astrophysics is a term used to describe knowledge about the universe.

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Which device will allow you to reduce the voltage from 120 vac to vdc in order to charge a cell phone?

Darina [25.2K]

It should be 4. An alternator

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3 years ago

A particular field is 111 yards long. Express this length in meters.

romanna [79]

Answer:

101.498 m

Explanation:

8 0

3 years ago

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The magnetic field produced by the solenoid in a magnetic resonance imaging (MRI) system designed for measurements on whole huma

gayaneshka [121]

Explanation:

Below is an attachment containing the solution.

6 0

3 years ago

a baby carriage is sitting at the top of a hill that is 21 m high. the carriage with the baby has a mass of 1.5 kg. the carriage

Serga [27]

Height of baby carriage from ground = 21m

Mass of carriage with baby = 1.5 kg

The carriage has potential energy by virtue of its height.

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Hence, potential energy of the carriage is 315 Joule.

7 0

4 years ago

Given a force of 100 N and acceleration of 5 m/s2, what is the mass

tatyana61 [14]

Answer:

20 kg

Explanation:

remember the equation f=ma.

100 N=force

5 m/s2= acceleration

so you need to divide force by acceleration: 100 N/ 5 m/s2= 20 kg, to get the mass.

8 0

2 years ago