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artcher [175]
2 years ago
5

Need the answer too pass

Mathematics
1 answer:
goldfiish [28.3K]2 years ago
3 0

Answer:

7

Step-by-step explanation:

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If a ball is thrown into the air with a velocity of 34 ft/s, its height (in feet) after t seconds is given by y = 34t − 16t2. Fi
Finger [1]

<u>ANSWER: </u>

If a ball is thrown into the air with a velocity of 34 feet per second, then velocity of the ball after 1 second is 2 feet per second

<u>SOLUTION: </u>

Given, a ball is thrown into the air with a velocity of 34 feet per second

Initial velocity (u) = 34 feet per second

And also given a relation between displacement and time = \mathrm{y}=34 \mathrm{t}-16 \mathrm{t}^{2} --- eqn 1

We need to find the velocity when t = 1 ; v = ?

We know that, v = u + at and \mathrm{s}=\mathrm{ut}+\frac{1}{2} \mathrm{at}^{2}

where v is instantaneous velocity and u is initial velocity

a is acceleration

t is time interval  

s is displacement

using the displacement and time relation eqn (1) we get

Now, when t = 1, displacement s = 34(1) – 16(1)

\mathrm{ut}+\frac{1}{2} \mathrm{at}^{2}=34-16

34 \times 1+\frac{1}{2} \times a \times 1^{2}=18

34+\frac{a}{2}=18

\begin{array}{l}{\frac{a}{2}=18-34} \\\\ {\frac{a}{2}=-16} \\ {a=-16 \times 2} \\ {a=-32}\end{array}

here, -ve sign indicates that object is in deceleration . so acceleration is -32 ft/s

now put a value in v = u + at

v = 34 + (-32)(1)

v = 34 – 32

v = 2 ft/s

Hence, velocity of the ball after 1 second is 2 ft/s

6 0
3 years ago
ANSWER THIS URGENTLY
neonofarm [45]
I think B if not type 1/3 pi 6 squared and add 6.71 or something with the 6.71
8 0
2 years ago
A rectangle has a width of 3 inches and a length of x inches. The value of the perimeter of the rectangle is equal to the value
Damm [24]

Answer:

6

Step-by-step explanation:

6 0
3 years ago
Set points graph math question pic included
Gnom [1K]

Answer:

(-5,2) and (5,2)

Hoped this helped, have a nice day!


7 0
3 years ago
PLEASE HELP ME!!
enyata [817]

Answer:

1/3

Step-by-step explanation:

5 0
3 years ago
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