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NARA [144]
3 years ago
6

Which type of simple machine is in the photo?

Physics
1 answer:
bekas [8.4K]3 years ago
3 0

Answer:

Lever

Explanation:

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A ball is thrown up into the air. The time that it takes to go up equals
hammer [34]

Answer:

The time it takes the ball to rise equals the time it takes to fall.

Explanation:

because what goes up at some point must come down

7 0
3 years ago
Find the acceleration that can result from a net force of 20 N exerted on a 2.8-kg
vladimir2022 [97]
Force=mass*acceleration
F=ma

20=2.8a

a=20/2.8

a=7.14 m/s^2
6 0
3 years ago
The upward and downward movement of air in the atmosphere creates pressure systems. Arrange the steps in the correct order to de
OleMash [197]

Answer:

  1. Cool, dense air begins to sink downward.
  2. A high-pressure system forms.
  3. Pressure differences cause wind to blow outward.
  4. The skies clear, making way for pleasant weather.

Explanation:

The air near the land warms up and rises. Cool dense air sinks being heavier. This creates a pressure difference. A high pressure system forms. This difference leads to blowing of wind from High pressure to low pressure area. Eventually sky gets clear and we experience pleasant weather. Hence, the correct order to describe this is:

  1. Cool, dense air begins to sink downward.
  2. A high-pressure system forms.
  3. Pressure differences cause wind to blow outward.
  4. The skies clear, making way for pleasant weather.
4 0
2 years ago
Read 2 more answers
Approximately how many atoms are there along a 9.5 cm line
Troyanec [42]
First convert 5.5 cm to meters.

(5.5 cm / 1) x (m / 100 cm) = 0.055 m

A typical atom is about 1.0E-10 m in diameter; thus:

0.055 m / 1.0E-10 m = 5.5E8 atoms or 550,000,000 end-to-end atoms in 5.5 cm
6 0
2 years ago
Why are velocity and acceleration called vector quantities?
Airida [17]

Answer:because they both have magnitude and direction. Which can be identified from their SI Units.

Explanation:

because they both have magnitude and direction. Which can be identified from their SI Units.

4 0
3 years ago
Read 2 more answers
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