3 years ago

Is this the actual answer??

Physics

1 answer:

Nastasia [14]3 years ago

3 0

It probably is the actual answer.

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A 755 N diver drops from a board 10.0 m above the water's surface. Find

MrRa [10]

Answer:

F = 755 N and h = 10.0 m and a = 9.8 m/s 2 and m=? and v = ?

5 0

3 years ago

A manufacturer of chocolate chips would like to know whether its bag filling machine works correctly at the 420 gram setting. It

natta225 [31]

Answer:

P-value of the test statistic is 2.499

Explanation:

given data:

size sample is 24

sample mean is 414 gm

standard deviation is 15

Null hypotheis is

$H_0: \mu = 420 gm$

$H_1 \mu< 420$

level of significance is 0.01

from test statics

$t = \frac{\hat x - \mu}{\frac{s}{\sqrt{n}}}$

degree od freedom is = n -1

df = 24 -1 = 13

$t = \frac{414 - 420}{\frac{15}{\sqrt{24}}}$

t = -1.959

from t table critical value of t at 0.1 significane level and 23 degree of freedom is 2.499

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3 years ago

If a rock has a speed of 12 m/s as it hits the ground, from what height did it

grin007 [14]

Answer:

To find the height the following formula should be used:

v 2 = u 2 + 2aH

Explanation:

Assuming this occurs on earth, a= 9.8 ms -2

-2 2

12=0+2 x9.8 x H

144

_______ =H

2 x 9.8

H= 7.35m

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3 years ago

IF THE SPEED OF A BODY IS INCREASED FOUR TIME HOW WILL ITS KINETIC ENERGY BE AFFECTED ? SHOW BY CALCULATION?

Kryger [21]

Answer:

yes kinetic energy will be affected it will get increased 16 times.

Explanation:

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3 years ago

Would you rather be beautiful but you cant look at yourself or be ugly and no one else can see you

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Whats the point of being either of them?

If your Beautiful, you cant look at yourself...

And if your ugly, no one else can see you...

I'd rather not exist LOL XD

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4 years ago