3 years ago

Which statement is true about the difference between calcium carbonate and calcium oxide?

Physics

1 answer:

Kay [80]3 years ago

7 0

Kalsium Karbonat is true

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Dimension equation of work

kkurt [141]

Answer:

Explanation:

Work

Other units Foot-pound, Erg

In SI base units 1 kg⋅m2⋅s−2

Derivations from other quantities W = F ⋅ s W = τ θ

Dimension M L2 T−2

Idk if this is what u are looking for but i hope this help.:)

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3 years ago

All of the halogens are____to humans.

Ymorist [56]

Answer:

b bc they are a dangerous threat to humans health

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1 year ago

A circuit can only light up a lightbulb if there is a ______ path for electricity to travel from one end of the energy source to

Dmitry_Shevchenko [17]

Answer:

Continuous

Explanation:

A circuit can only light up a lightbulb if there is a continuous path for electricity to travel from one end of the energy source to the other end.

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2 years ago

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In which situation is no work being done? A. a person carrying a box from one place to another B. a person picking up a box from

tatiyna

Answer:

The answer is A

Explanation:

Being the force is acting upwards and displacement takes place horizontally

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3 years ago

The missile s engine exerts a 260-kN force F.

alexdok [17]

Answer:

a)F=(208 i+156 j) kN

b)F+W=219 kN

Explanation:

Solution:

To determine the components of F

F=(260 kN).( $\frac{4}{\sqrt{4^{2}+3^{2}}}i+\frac{3}{\sqrt{4^{2}+3^{2}}}j$ )

=(208 i+156 j) kN

F=(208 i+156 j) kN

b)weight W expressed in component and add into the

Force F.

W=-(8800 kg).(9.81 m/s^2)j

F+W=(208 i+[156-86.3]j) kN

F+W= $\sqrt{(208kN)^{2}+(-69.7kN)^{2} }$

=219 kN

F+W=219 kN

6 0

3 years ago