3 years ago

Which of the following is INCORRECT??

Physics

2 answers:

blsea [12.9K]3 years ago

8 0

Answer:

d the metric system is based on the number 10

krek1111 [17]3 years ago

7 0

Answer:

the matric is based on the number 10

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Depending on circumstances, there are times when divers may wish to be positively, negatively or neutrally buoyant. True. False.

ser-zykov [4K]

Answer:

True

Explanation:

Buoyancy is the most important factors for divers. All they do underwater is to observe the life down there but they also have some other work. However, divers may want to be negatively buoyant when they want to go on deep exploration. When they reach a destination, they may want to observe and neutral buoyancy then will be useful. When they want to go back on surface, they’ll utilize positive buoyancy.

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3 years ago

A 720 kg roller-coaster starts off from Location A. Assuming friction does not impede the car's motion, what will be the change

vaieri [72.5K]

We know, Potential Energy = m * g * h
Here, mass & gravity would be same, but their height will change so it will be:

ΔU = U₂ - U₁
ΔU = mgh₂ - mgh₁
ΔU = mg (h₂ - h₁)

Hope this helps!

7 0

3 years ago

Read 2 more answers

Use the drop-down menus to complete the sentences.

Grace [21]

Answer:

1) thinner, diverge

2) thicker, converge

Explanation:

i got it right