2 years ago

What are the factors needed to have a free fall

Physics

1 answer:

Fittoniya [83]2 years ago

4 0

Answer:

Sorry, im not sure. But i am asking the same question.

Explanation:

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A homeowner is trying to move a stubborn rock from his yard. By using a a metal rod as a lever arm and a fulcrum (or pivot point

pogonyaev

Answer:

L = 1.545 m

Explanation:

Let the total length of the rod is L

now the torque must applied on the other end of the rod so that it will balance the torque due to weight of rock on other side of fulcrum

so we will have

$mg \times d = F(L - d)$

so we have

$325\times 9.8 \times 0.266 = F(L - 0.266)$

F = 663 N

$848 = 663(L - 0.266)$

$L = 1.545 m$

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2 years ago

What are the 2 types of ions.

Alina [70]

Answer:

Anions have more electrons than protons and so have a net negative charge. Cations have more protons than electrons and so have a net positive charge. Zwitterions are neutral and have both positive and negative charges at different locations throughout the molecule.

Explanation:

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2 years ago

Hi please please help me you’ll get points and I’ll give you brainliest

leonid [27]

Answer:

see below

Explanation:

Question 1)

57kg to ug

$126\:Kg(\frac{1*10^{9}ug }{1kg} )\\\\=126(10^{9} )\\\\=126,000,000,000 ug$ (there are 9 zeros)

Question 2)

126lbs to N

$126lbs(\frac{4.45N}{1lb} )\\\\=126(4.45N)\\\\=506.7N$

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2 years ago

The place theory of hearing is better than frequency theory at explaining pitch perception for __________ sounds

atroni [7]

The answer is : Low frequency sounds

place theory is a theory of hearing which states that our perception of sound depends on where each component frequency produces vibrations along basilar membrane, which is very sensitive to low frequency sound

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2 years ago

Read 2 more answers

Given that: = 2i + 9j +3k and = -i – 4k . Find

Igoryamba

Answer:

3i+9j= -7k

Explanation:

2i+I+9j=-4k-3k

3i+9j= -7k

7 0

2 years ago