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3 years ago

based on this scatter plot,whatcan you say about the relationship between study time and test scores?

Physics

1 answer:

siniylev [52]3 years ago

8 0

Based on this scatter plot, I can say that in general, test scores vary directly with study time. In other words, in a population large enough to reveal the direct relationship, the more time a student spends studying, the higher that student's test scores will be.

I didn't need a scatter plot to reveal that to me. That's practically in the category of Law given to Moses at Sinai.

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An amusement park ride consists of a car moving in a vertical circle on the end of a rigid boom of negligible mass. The combined

MrRa [10]

Incomplete question as the car's speed is missing.I have assumed car's speed as 6.0m/s.The complete question is here

An amusement park ride consists of a car moving in a vertical circle on the end of a rigid boom of negligible mass. The combined weight of the car and riders is 6.00 kN, and the radius of the circle is 15.0 m. At the top of the circle, (a) what is the force FB on the car from the boom (using the minus sign for downward direction) if the car's speed is v 6.0m/s

Answer:

$F_{B}=-5755N$

Explanation:

Set up force equation

∑F=ma

∑F=W+FB

$\frac{mv^{2} }{R}=W+F_{B}\\ F_{B}=\frac{mv^{2} }{R}-W\\F_{B}=\frac{(W/g)v^{2} }{R}-W\\F_{B}=\frac{(6000N/9.8m/s^{2} )(6m/s)^{2} }{(15m)}-6000N\\F_{B}=-5755N$

The minus sign for downward direction

6 0

3 years ago

Which of the following are not correctly balanced reactions?

djyliett [7]

aaaaaaaaaaaaaa a or c

3 0

3 years ago

Read 2 more answers

PLEASE ANSWER NEED HELP!!!!!!!! PLEASE THE CORRECT ANSWER!!!!!!

bekas [8.4K]

Answer:

D. unsaturated fat

Explanation:

Unsaturated fats are considered the healthiest fats because they improve cholesterol, help reduce inflammation (a risk factor for heart disease), and help decrease the overall risk of developing heart disease. The main source of unsaturated fats are plant-based foods.

7 0

3 years ago

What is the process by which rock fragments are moved from the source

timurjin [86]

Answer:

Sedimentary

Explanation:

The process by which rock fragments are moved from the source is Sedimentary.

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4 years ago

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LABORATORY TITLE:

mezya [45]

Answer:

PAPER CLIPS ON NOSE OF A PAPER AIRPLANE

Purpose: To determine if the number of paperclips on the nose of a paper airplane affects the velocity and speed, measured in meters per seconds.

Make a Hypothesis Based on the Learning Thus Far: If the number of paperclips on the nose of a paper airplane increases, then the speed will _increase______ (increase, decrease, stay the same) in a __linear_______ (linear, exponential, logarithmic) mathematical relationship, and the velocity will (increase, decrease, stay the same) in a __exponential____ (linear, exponential, logarithmic) mathematical relationship. (Fill in the appropriate words for your hypothesis.)

Pictures: Insert at least 3 pictures of yourself conducting the experiment into this lab report. At least 2 pictures must show your face as you conduct the investigation. You may need to ask someone to help take these photos.

Explanation:

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3 years ago