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Olenka [21]
3 years ago
8

3. An ecosystem is different from all of

Physics
2 answers:
nlexa [21]3 years ago
6 0
I believe it’s only nonliving
charle [14.2K]3 years ago
5 0

Answer:

I think it is O only nonliving

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WILL GIVE BRAINLIEST!!!
klemol [59]

A simple machine can make work easier by reduce the amount of energy needed to perform a task, therefore, B. it magnifies the potential energy so that the kinetic energy is greater is the correct answer:)

6 0
4 years ago
Which of the following are simple machines?<br> Select all that apply.
scoundrel [369]

Answer:

where is option

you only say choose that following select apply

Explanation:

please give option

5 0
2 years ago
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What is the kinetic energy of a 145 g baseball moving at 42 m/s?
klio [65]
Answer:
Kinetic energy = 127.89 Joules

Explanation:
Kinetic energy is calculated using the following rule:
KE = (1/2)*v* v^2
Where:
m is the mass = 145 g = 0.145 kg
v is the velocity = 42 m/sec

Substitute in the above equation to get the kinetic energy as follows:
KE = (0.5)(0.145)(42)^2
Kinetic energy = 127.89 Joules

Hope this helps :)
8 0
4 years ago
Refraction or the bending of waves takes place when a light wave changes A) color. B) frequency. C) intensity. D) speed.
DENIUS [597]
The answer is D. speed
6 0
4 years ago
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Two technicians are discussing the FMVSS 135 standards for parking brakes. Technician A states that the hand force required to s
masya89 [10]

Answer:

Technician A

Explanation:

Technician A is correct because, the hand force required is not supposed and even should not exceed 80 lb.

On the other hand, the foot force limit is even higher at 100 lb. Thus, the required foot force break should not exceed 100 lb. We are given 80 lb in the question, which is quite less than 100 lb. It could exceed 80, but must not exceed 100. Thus only Technician A is correct among them both.

5 0
4 years ago
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