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ASHA 777 [7]
3 years ago
12

Do the negative ions tend to be metals or nonmetals?

Physics
1 answer:
spayn [35]3 years ago
7 0
Nonmetals! is your answer make me the brainiest please
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__________ is when a person becomes less sensitive to a drug. A. Tolerance B. Craving C. Addiction D. Dependence
Luden [163]
A) Tolerance

Tolerance is developed after using a drug repeatedly, so the body adapts to it. Because of that, people who develop a tolerance would then need to use more of that drug to get the same effect.
4 0
3 years ago
A rocket is launched and the observer measuring the rocket altitude is standing at a distance of 200 feet from the launcher. Whe
Gre4nikov [31]

Answer:

100 foot

Explanation:

Using the formula for calculating range to calculate the speed first as shown;

<h3>Range R = U²sin 2theta/g</h3>

U is the speed

theta is the observe angle

g is the acceleration due to gravity.

200 = U²sin 2(45)/9.8

Usin90 = 200 * 9.8

U² = 1960

U = √1960

U = 44.27 m/s

Get the required altitude

Altitude H = u²/2g

H = 44.27²/2(9.8)

H = 1,959.8329/19.6

<em>H = 99.99 feet</em>

<em>Hence the altitude of the rocket to the nearest foot is 100 foot</em>

7 0
3 years ago
With a force of 5 Newton's Amanda pushes the stacks of books to the right. At the same time Jeremih her little brother pushes th
Fynjy0 [20]

Alright, so solving for the net force is a rather simple and easy step. I want to briefly explain how you determine the net force, but before I do, let's examine the problem together. What has been provided to us? What direction is it going? Well, we can look at the information!

Amanda's Force: 5 N

Jeremiah's Force: 10 N

They're both pushing on the books, but in different directions. Left and right. If Amanda is pushing the books to the right 5 newtons, and Jeremiah is pushing the books to the left with 10 newtons, that means the net force is 5. The book is being pushed to the left! We can say that because Jeremiah's force is much larger than his sisters.

We can determine the net force from the following;

Net Force → 10 N - 5 N = 5 N

In conclusion, your answer should be a total of five (5) newtons

4 0
3 years ago
Read 2 more answers
An engineer who is helping to design a tall building is studying the frequencies that seismic waves travel through the ground th
skad [1K]

The frequencies of seismic waves will check if the presence of the waves have made buildings with weak foundations to be prone to destruction.

<h3>What is Frequency?</h3>

This is defined as the number of occurrences of a repeating event per unit of time and the unit is hertz.

Knowing the frequency of the seismic wave is a good safety precaution which has to be taken to prevent loss of lives and properties.

Read more about Frequency here brainly.com/question/254161

#SPJ1

8 0
2 years ago
The potential energy of a catapult was completely converted into kinetic energy by releasing a small stone with a mass of 20 gra
DerKrebs [107]

1,000 grams = 1 kilogram
20 grams = 0.02 kilogram

Kinetic energy = (1/2) (mass) x (speed)²

                           (1/2) (0.02) x (15)² =

                                 (0.01)  x  (225)  =  2.25 joules
 
4 0
4 years ago
Read 2 more answers
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