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Anit [1.1K]
2 years ago
15

Please i need someone help.

Mathematics
1 answer:
natali 33 [55]2 years ago
3 0

Answer: I can help :)

Step-by-step explanation:

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A rock is released from rest and freely falls 70 m to the ground. What is its velocity just before impact? A. 1.2 m/s B. 7.0 m/s
Yuri [45]

Answer:

37.04 m/s

Step-by-step explanation:

we can use the equation x = x0 + v0t + 1/2at^2

a = -9.8 m/s^2, the acceleration due to gravity

x0 = 70 m, the starting point of x

v0 = 0 m/s

x = 0

this will allow us to solve for time

0 = 70 + 0 +-4.9t^2

t = 3.779

now we can use the equation v = v0 + at

v = 0 + 9.8(3.77)

v = 37.04 m/s

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3 years ago
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7 0
2 years ago
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Round 45.886 to the nearest hundredths
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3 years ago
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If 5% of the total sale is 125 dollars what is the value of the ticket sale
RideAnS [48]
So the question is
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5% of total sale is 125

'of' means mutiply
'is' means equals

percent means parts out of 100
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3 years ago
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