Physics Middle School

10pts} If a ball is thrown straight up into the air with a velocity of 15 m/s. How many seconds will it take for the ball to reach its peak? (Assume no air friction and g = -9.81 m/s²)

Please give the most detailed answer. I need reasoning as well. Brainliest to the person who gives the best answer

Answers

Answer 1

Answer:

-81.2361 m/s

Explanation:

15 m/s                                               15 m/s

- 9.81 m/s^2= 96.2361                      - 96.2361

Answer 2

It will take for the ball to reach its peak 81.2361 m/s if a ball is thrown straight up into the air with a velocity of 15 m/s.

15 m/s                                              

- 9.81 m/s^2= 96.2361            

Which formula has been used for change in velocity?

Use the formula for change in velocity equal the acceleration times the time, considering that the only acceleration acting is that of "g" (g = 9.8 m/s^2). Consider also that at the top of the trajectory is when the velocity becomes zero and the motion changes from upwards to downwards.It takes the tennis ball approximately 0.78 seconds to reach the maximum height.

Calculate the ball's greatest height using the vertically modelling method, h = -16t2 + vt + s, where v is just the initial velocity at feet/second and s is indeed the height in feet.

Zero The ball travels upward when you throw it, but because gravity is pulling on it, its speed diminishes as it ascends.The ball begins to slow down, and during the peak of its journey, it has zero velocity.

Therefore, It will take for the ball to reach its peak 81.2361 m/s if a ball is thrown straight up into the air with a velocity of 15 m/s.

15 m/s                                              

- 9.81 m/s^2= 96.2361        

Learn more about velocity on:

https://brainly.com/question/28738284

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Related Questions

Please help me with this science question.

What are meteor showers?

Answers

a event in which a number of meteors are observed to radiate, or originate, from one point in the night sky called Radiant

Answer: I think meteor showers are astroids falling into the earth.

(Hope this helps).

what's the answer? ill give brainiest and 20-30 points to said person

Answers

Answer:

a or d

Explanation:

D because to find average of the total driving speed you need to know the miles per hour, so distance per time. Think of the division symbol as the “per”.

True or False: It can take most plastics 1,000 years to decompose?
true
false


Help Please...?

Answers

Answer: True

Explanation: Much plastic ends up in landfills, where it may take up to 1,000 years to decompose,

Hope this helps...

True have a good day love

ITS 9:04 AND I ONLY HAVE TILL 10:00 PLEASE HELP FAST!
Classify the forms of energy described in each scenario by filling in the correct term.
A windmill’s blades move from the blowing wind.
The movement of the blades represents______ energy.
The visible light that allows people to see where they are going describes______ energy.

Answers

Answer:

The movement of the blades represents kinetic energy

The visible light that allows people to see where they are going describes light energy

Answer: 1. Kinetic 2. Radiant

Explanation:

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