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liberstina [14]
3 years ago
8

If I fall for 18 s what would my final velocity be, if I started from rest.

Mathematics
1 answer:
ozzi3 years ago
8 0

Answer:

176.58 m/s

Step-by-step explanation:

assume that the acceleration due to gravity, g = 9.81 m/s²

I also assume we neglect air resistance (hence we assume no terminal velocity)

recall that one of the equations of motions can be expressed as

v = u + at, where

u = initial velocity = 0 (because it says you started from rest)

v = final velocity (we are asked to find this)

a = acceleration due to gravity = 9.81 m/s²

t = time = given as 18s

simply substitute the above into the equation.

v = 0 + (9.81)(18)

v = 176.58 m/s

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7 0
3 years ago
32% of 35 pages please help
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4 0
3 years ago
At a picnic there were 3 times as many adults as children and twice as many women as men. If there was a total of x men, women,
Dennis_Churaev [7]

Answer:

\dfrac{x}{4}

C is correct.

Step-by-step explanation:

At a picnic,

Number of adults is 3 times as number of children.

Number of women is twice as number of men.

Total number of men, women and children at the picnic be x

Let number of children be c

Let number of men be m

Let number of women be w

# Number of women is twice as number of men, w = 2m

# Number of adults is 3 times as number of children, w + m = 3c

      2m + m = 3c     (∴  w=2m )

                c = m

Total number of men, women and children at the picnic be x

∵       c + m + w = x

     m + m + 2m = x

                    4m = x

Number of men, m=\dfrac{x}{4}

Hence, The total number of men will be  \dfrac{x}{4}

5 0
2 years ago
Marissa counted 29 coins in her change purse which contained d dimes and q quarters. The value of the coins is $5.00. How many d
SVETLANKA909090 [29]
15 dimes 14 quarters

8 0
3 years ago
Read 2 more answers
Y+b=10???????????????
tatyana61 [14]
5+5=10

y=5
b=5
the answer is 5 plus 5
6 0
3 years ago
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