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Zigmanuir [339]
3 years ago
12

For a moving object, the force acting on the object varies directly with the object's acceleration. When a force of 48 N acts on

a certain object, the acceleration of the object is 6 m\s2 If the acceleration of the object becomes 10 m/s2, what is the force
Mathematics
1 answer:
Ymorist [56]3 years ago
8 0

Answer:

80N

Step-by-step explanation:

F = ma (Newton's second law)

When F=48N, a = 6m/s2

--> m = F/a = 48/6 = 8 (kg)

When a = 10m/s2

--> F = ma = 8 . 10 = 80N

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This is due today, and I have no idea what I'm doing, please help if you know anything.
defon

Binomial distribution formula: P(x) = (n  k) p^k * (1 - p)^n - k

a) Probability that four parts are defective = 0.01374

P(4 defective) = (25 4) (0.04)^4 * (0.96)^21

P(4 defective) = 0.01374

b) Probability that at least one part is defective = 0.6396

Find the probability that 0 parts are defective and subtract that probability from 1.

P(0 defective) = (25 0) (0.04)^0 * (0.96)^25

P(0 defective) = 0.3604

1 - 0.3604 = 0.6396

c) Probability that 25 parts are defective = approximately 0

P(25 defective) = (25 25) (0.04)^25 * (0.96)^0

P(25 defective) = approximately 0

d) Probability that at most 1 part is defective = 0.7358

Find the probability that 0 and 1 parts are defective and add them together.

P(0 defective) = 0.3604 (from above)

P(1 defective) = (25 1) (0.04)^1 * (0.96)^24

P(1 defective) = 0.3754

P(at most 1 defective) = 0.3604 + 0.3754 = 0.7358

e) Mean = 1 | Standard Deviation = 0.9798

mean = n * p

mean = 25 * 0.04 = 1

stdev = \sqrt{np(1-p)}

stdev = \sqrt{(25)(0.04)(1-0.04)} = 0.9798

Hope this helps!! :)

7 0
3 years ago
Can someone help me ASAP?
professor190 [17]

Answer:

2: p x 3

Step-by-step explanation:

4 0
3 years ago
Ximena is typing a 2500 word essay. In 9 minutes she types 396 words, at this rate can Ximena type the essay in an hour?
sasho [114]

Answer:

yes

Step-by-step explanation:

396÷ 9= 44

44×60= 2,640 > 2500

8 0
2 years ago
Which system is equivalent to 5y^2+6y^2=50
stepladder [879]
5y²+6y²=50⇒11y²=50⇒y²=\frac{454}{100}⇒y=\sqrt{ \frac{454}{100} }⇒y=\frac{ \sqrt{454} }{10}
3 0
3 years ago
Solve 5r2 – 12 = 68. {±4} {±5} {±3} {±6}
Airida [17]

Add 12 to both sides:

5r^2 = 80

Divide by 5:

r^2 = 16

Square root both sides:

r = +/- 4

The answer is {+/- 4}.

3 0
3 years ago
Read 2 more answers
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