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adelina 88 [10]
2 years ago
12

Another friend, with a mass of 75 kg, wants a push on the swing. How much force will

Mathematics
1 answer:
NeX [460]2 years ago
6 0

Answer:

735N

Step-by-step explanation:

According to Newton's second law;

Force = mass * acceleration due to gravity

'

Given

Mass = 75kg

Acceleration = 9.8m/s^2

Substitute into the formula;

F = 75 * 9.8

F = 735N

Hence the force required is 735N

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if it is p miles from home to school how many round trips can be made if your car gets q miles per gallon of gasoline and there
Bumek [7]
5 is less than or equal to (2q)/p
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3 years ago
Question 9 Of 1000 randomly selected cases of lung cancer, 841 resulted in death within 10 years. Construct a 95% two-sided conf
givi [52]

Answer:

0.818335 ≤ p ≤ 0.86366

Step-by-step explanation:

Given that:

Sample size (n) = 1000

Positive lung cancer = 841

n(p) = 841, p(p) = 841/1000 = 0.841

n(1 - p) = 1000 - 841 = 159

1 - p = 0.159

95% confidence interval

For a 95% confidence interval : z = 1.96

P ± z√p(1-p) / n

0.841 ± 1.96 * √0.841(0.159) / 1000

0.841 - (1.96 * 0.0115636) = 0.818335344

0.841 + (1.96 * 0.0115636) = 0.863664656

0.818335 ≤ p ≤ 0.86366

4 0
3 years ago
The lowest point in Asia is the Dead Sea, which is 396 meters below sea level. The lowest point in the USA is Death Valley, at 8
wlad13 [49]

Answer:

310 metres

Step-by-step explanation:

The lowest point in Asia is the Dead Sea, which is =396 meters below sea level.

The lowest point in the USA is Death Valley, a= 86 meters below sea level.

Therefore,

diference in their heights = 396-86 metres =310 metres

4 0
3 years ago
Read 2 more answers
A passenger car weighs 4.5 times 10 superscript 3 units. which unit of measure was used? grams ounces pounds tons
Y_Kistochka [10]

Pound is the unit of measure of passengers car weight

According the statement

The weight of passengers car is 4.5 times 10 superscript 3 units.

from this it is clear that the in simple terms the weight become 4.5 * 10^3

AND

the term 10^3 is used when we measure the weight in pounds.

So, Pound is the unit of measure of passengers car weight.

Learn more about WEIGHT here brainly.com/question/2337612

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4 0
1 year ago
Ashley is making $500 a week at her job. She receives a 20% pay raise.
denpristay [2]

Answer:

Ashley would get 100 extra dollars each week

500 X .20 = 100

6 0
3 years ago
Read 2 more answers
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