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morpeh [17]
3 years ago
9

___________ are things that a scientist keeps the same during an experiment.

Physics
1 answer:
Keith_Richards [23]3 years ago
3 0

Answer:

independent variable

Explanation:

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spin [16.1K]

It is the sum of the kinetic and potential energies of an object

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5 0
3 years ago
How many newtons of force
Alisiya [41]

The amount of force needed by the truck to move the boulder is 200 N.

<h3>Force:</h3>

This can be defined as the product of mass and acceleration. The S.I unit of force is Newton or kgm/s²

To calculate the newton's of force a block needs to move, we use the formula below.

Formula:

  • W = Fd............. Equation 1

Where:

  • W = Work done by the truck
  • F = Force applied on the boulder
  • d = Distance moved by the boulder

Make F the subject of the equation

  • F = W/d................. Equation 2

From the question,

Given:

  • W = 2400 J
  • d = 12 meters

Substitute these values into equation 2

  • F = 2400/12
  • F = 200 N

Hence, the amount of force needed by the truck to move the boulder is 200 N.

Learn more about force here: brainly.com/question/12970081

7 0
3 years ago
Computers have become a familiar ___ of communication, connecting people around the world.
devlian [24]
They're a medium (c) of communication

A. mediation is what you so when you want to bring the sides of conflict together

b. is a person who is advocating something

d. is a presentation of some opinion or facts.
5 0
3 years ago
How are electrical current measured
katrin2010 [14]

Answer:

ammeter

Explanation:

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6 0
3 years ago
Idris has a mass of 65 kg. He is standing on the second floor of his apartment building, 5 meters above the ground. What is his
lapo4ka [179]

Answer:A.325J

brainliest would be apreciated!

hope I helped!

8 0
2 years ago
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