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Mathematics : asked on marissasabino111
 28.12.2021

1) A baseball is thrown in the air with an initial velocity of 18 meters/second from a height of 1.5 meters: Which equation represents the ball's height, h, in meters, as a function of time, t, in seconds?

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09.07.2023, solved by verified expert
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Rajat Thapa
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Mathematics, DAV Post Graduate College
5 229 answers
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Initial velocity=18m/s^2h=1.5mg=10m/s^2

Now apply second equation of kinematics

1) A baseball is thrown in the air with an initial, №18009782, 28.12.2021 19:21

1) A baseball is thrown in the air with an initial, №18009782, 28.12.2021 19:21

1) A baseball is thrown in the air with an initial, №18009782, 28.12.2021 19:21

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Mathematics
1) A baseball is thrown in the air with an initial velocity of 18 meters/second from a height of 1.5 meters: Which equation represents the ball s height, h, in meters, as a function of time, t, in seconds?
Step-by-step answer
P Answered by Specialist
Initial velocity=18m/s^2h=1.5mg=10m/s^2

Now apply second equation of kinematics

\\ \rm\hookrightarrow h=ut-\dfrac{1}{2}gt^2

\\ \rm\hookrightarrow h=18t-1/2(10)t^2

\\ \rm\hookrightarrow h=18t-5t^2

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The answer is in the image 

The answer is in the image 
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A new school randomly assigns a six-character student code to every prospective student. The school uses the characters 1, 2, 3, 4, 5, X, Y, and Z. If none of the student codes contain a repeated character, what is the total number of codes that can be randomly assigned?
Step-by-step answer
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The total nom of  code that can be used is equal to 5+3 = 8

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In a parking lot, for every 8 cars there are 7 trucks. What is the ratio of cars to trucks? A)7 : 8 B)8 : 7 C)8 : 15 D)15 : 8
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For every 8 cars there are 7 trucks

Therefore,

Cars:Truck=8:7

Answer is B)8:7

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The solution is in the following image

The solution is in the following image
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The value of a collectible coin can be represented by the equation y = 2 x + 15, where x represents its age in years and y represents its total value in dollars. What is the value of the coin after 19 years? $2 $23 $38 $53
Step-by-step answer
P Answered by PhD

y=2x+15

where y=Value of coin

x=Age in years

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Therefore, Value after 19 years=$53

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The answer is in the image 

The answer is in the image 

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The answer is in the image 

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Here,

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tip=(18/100)*32

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Step-by-step answer
P Answered by PhD

The wood before starting =12 feet

Left wood=6 feet

Wood used till now=12-6=6 feet

Picture frame built till now= 6/(3/4)

=8 pieces

Therefore, till now 8 pieces have been made.

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