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Brilliant_brown [7]
3 years ago
11

The Function approximate the velocity (in feet per second) of an object dropped from a height of x feet

Mathematics
1 answer:
grin007 [14]3 years ago
8 0

Answer:

The answer to the question is

It take for the golf ball hit on Mars to reach the ground 8.284 s longer.

Step-by-step explanation:

To Solve the question, we note that the equation of motion is given to us as

h = -1.9·t² + 26·t

Therefore the height

We compare the above equation with the equation of of motion

S = ut - 0.5×g×t² where u = initial velocity = 26 m/s and  - 0.5×g = -1.9

Therefore the acceleration due to gravity om mars = -1.9/-0.5 = 3.8 m/s²

We now have the time taken to maximum height given by

v = u - g·t where v = 0 at maximum height

We therefore have u = g·t → 26 = 3.8×t or t = 26/3.8 = 6.84 seconds

The time taken for ball to hit the ground is 2 × the time to reach maximum height = 2 × 6.84 = 13.684 s

The time longer it takes for the ball on Mars to complete the path up to maximum height and down again is 13.684 s - 5.4 s = 8.284 s.

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I need help fast
hram777 [196]

Answer:

On a coordinate plane, a line goes through (0, 3) and (2, 4) and another line goes through (0, 3) and (0.75, 0).

This answer almost coincide with option C. I suppose there was a mistype.

Step-by-step explanation:

The system of equations is formed by:

–x + 2y = 6

4x + y = 3

In the picture attached, the solution set is shown.

The first equation goes through (0, 3) and (2, 4), as can be checked by:

–(0) + 2(3) = 6

–(2) + 2(4) = 6

The second goes through (0, 3) and (0.75, 0), as can be checked by:

4(0) + (3) = 3

4(0.75) + (0) = 3

7 0
3 years ago
Read 2 more answers
What is the percent of 14 out of 20? If someone could explain how I would find the percentage that would be great. :)
nasty-shy [4]
14/20 = 0.7....multiply by 100 to get ur percent = 70%
so 14 is 70% of 20
8 0
3 years ago
3. Emilio is going to run 6 miles a day for 8 days. How many miles will he have completed
Nastasia [14]

Answer:

48

Step-by-step explanation:

6(miles per day) * 8(days) = 48

7 0
3 years ago
A $120.00 pair of shoes at your nearby department store is marked up 4% and then is offered at 45% off. If sales tax is 13%, wha
S_A_V [24]

Answer:

$26

Step-by-step explanation:

0.8(X - 3) = 18.4

X - 3 = 23

X = 26

7 0
3 years ago
Help Help!!!!!!!!!!!!!!!
BabaBlast [244]

Answer:

\frac{7}{10} y

Step-by-step explanation:

To add fractions <em>with the same denominator</em>, simply add the numerators:

\frac{a}{b} + \frac{c}{b} = \frac{a+c}{b}

So:

\frac{3}{10} y+\frac{4}{10} y=\frac{7}{10} y

6 0
3 years ago
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