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4 years ago

What is the dynamics

2 answers:

8 0

dynamics is the branch of physics devoleped in classical mechanics concerted with the study of forces and the effect on their motion

aleksandr82 [10.1K]4 years ago

3 0

Answer:

Dynamics is defined as the branch of mechanics that deals with the effect of outside forces on something

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Please answer. True or false and how do you know?

blagie [28]

Answer:False

Explanation:

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3 years ago

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Pigments that ABSORB all colors look _____. Pigment that REFLECT all colors look _____.

Basile [38]

Yo I wish I was at higheschool and I think the last one is darker or the same cause of the reflection

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3 years ago

A factor that does not change in an experiment is the

quester [9]

Answer:

independent variable

Explanation:

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4 years ago

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A car has weight of 10,ooow What is the mass of the car on earth (g=10N/KG)

Gre4nikov [31]

Answer:

1000 kg

Explanation:

We know the formula for finding out weight is W=mg

W= 10,000 N

M=?

g=10 N/KG

W=mg

10,000=10m

m=1000kg

5 0

3 years ago

Gbenga needs to get glasses to correct his farsightedness. His eyes currently cannot focus on objects that are within 2 ft (or 6

Scilla [17]

Answer:

Focal Length = 38.61cm, Power = 2.59 Diopter, Converging lens.

Explanation:

When an object is placed 25cm from Gbenga's eye, the glasses lens must produce an image 61cm away (Gbenga's eye near point).

An image 61cm from the eye will be (61cm - 1.6cm) from the glasses.

i.e. $d_{i}=61cm-1.6cm=59.4cm$

and $d_{o} = 25cm - 1.6cm = 23.4cm$

note $d_{i}$ will be negative because the image is formed on the same side as the object.

finally, $d_{i}=-59.4cm\\d_{o}=23.4cm$

the formula for finding the focal length $f$ is given as

$f=\frac{d_{i}d_{o} }{d_{o}+d_{i} }$

$f=\frac{-59.4*23.4}{23.4-59.4} \\$

$f=\frac{-1389.96}{-36}$

$f=38.61cm$

The focal length is positive which indicates converging lens

power $p=\frac{1}{f}$

but $f\\$ must be in metres

Therefore, $f=38.61cm=0.3861m$

$p=\frac{1}{0.3861}$

$p=2.59 Diopter$

3 0

4 years ago