PHYSICS MIDDLE SCHOOL

What explains the information needed to calculate speed and velocity?

Answers

Answer 1
Answer: To calculate speed, you need to know the total distance covered
and the time it took to cover the distance.

To calculate velocity, you need the starting location, the ending location,
and the time it took to go from start to finish.

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Balance KOH+AlCl3 --> Al(OH)3 +KCL

Answers

3KOH+AlCl3--> Al(OH)3+3KCl

Modern dual-processing theory is the idea that our minds have —tracks.
O
A. conscious and unconscious
O
B. emotional and rational
O
C. conscious and preconscious
O
D. subconscious and conscious

Answers

Modern dual-processing theory is the idea that our minds have conscious and unconscious tracks. A

Answer:

conscious and unconscious

Explanation:

a ball is thrown upwards. after 2.5s, it has risen 50m. at what velocity was it thrown upwards? assume g = 10m/s squared.

Answers

Answer:

32.5 m/s

Explanation:

Given:

Δy = 50 m

a = -10 m/s²

t = 2.5 s

Find: v₀

Δy = v₀ t + ½ at²

(50 m) = v₀ (2.5 s) + ½ (-10 m/s²) (2.5 s)²

v₀ = 32.5 m/s

Study the image of a seismic graph.Graph of P & S Wave Travel Times, showing Travel time in minutes across distance in kilometers for P and S waves. S wave starts at zero kilometers, zero minutes, and increases to 10,000 kilometers, 25 minutes. P wave starts at zero kilometers, zero minutes and increases to 10,000 kilometers, 13 minutes.

About how far does the S wave travel through Earth in 13 minutes?

2,000 km
4,000 km
6,000 km
8,000 km

Answers

Answer:

It is B. 4,000

Explanation:

I just took the quiz on edge2020

Answer:

B

Explanation:

slugs are the only member of what that have no shells


Answers

Slugs belong to the group called gastropods 

What role does Nitrogen play for all living organisms?​

Answers

It is an important part of many cells and processes such as amino acids, proteins and even our DNA. It is also needed to make chlorophyll in plants, which is used in photosynthesis to make their food.

Hope this helps! ;)
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