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DerKrebs [107]
3 years ago
5

Characteristics of Energy. Which of the following statements about energy are correct? Select all that apply

Physics
1 answer:
Zinaida [17]3 years ago
7 0

Answer:

need statements to help

Explanation:

without statements I cant help you

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The units of Work, Energy and power are________ ________units.
meriva

Answer:

the units of work and energy is joule and unit of power is Watt

4 0
2 years ago
How does Newton's third law explain how a rocket is launched upward?
MrRissso [65]
The combined acceleration of all the molecules of oxidized fuel as they emerge from the rocket's nozzles create the thrust that accelerates and propels the rocket
7 0
3 years ago
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If we know the force, the distance, and the time we can calculate only power. work and power. only work. neither work or power.
scZoUnD [109]

Work = (force) x (distance)

Power = (work) / (time)

Knowing force, distance, and time, it looks like
you can calculate both <em>work and power</em>.

But that's not all !

-- <u>Speed</u> = (distance) / (time)

-- <u>Impulse</u> = change in momentum = (force) x (time)


7 0
4 years ago
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Care din propozitiile de mai jos sunt propozitii simple si care sunt propozitii dezvoltate? Argumentati oral raspunsurile a) mâț
Nataliya [291]

Answer:

a) developed

b) simple

c) simple

d) developed

e) developed

f) developed

Question:

Which of the following sentences are simple sentences and which are developed sentences? Orally argue the answers

a) the cat scribbled the little girl.

b) Grandma will cook

c) The cat will spin

d) You don't love cats?

e) in one jump, the cat will be at the window

f) we will never arrived on time

Explanation:

To differentiate the simple sentences from the developed sentences, let's understand what they are.

A Simple sentence is a sentence that contain a subject and a predicate. The sentence is complete in thought.

A developed sentence is a sentence that contain a subject, predicate as well as other parts of sentence.

a) the cat scribbled the little girl (developed)

b) Grandma will cook (simple)

c) The cat will spin (simple)

d) You don't love cats? (developed)

e) in one jump, the cat will be at the window (developed)

f) we will never arrived on time (developed)

Hence option b and c are simple sentences, while options a, d, e and f are developed.

6 0
3 years ago
A spherical balloon is being inflated. Find the rate of increase of the surface area (S = 4Ï€r2) with respect to the radius r wh
erastovalidia [21]

Answer:

A) 8π ft²/ft

B) 24π ft²/ft

C) 48π ft²/ft

Explanation:

Surface area of the spherical balloon is not clear here but it is supposed to be;

S = 4πr²

where:

r is the radius of the spherical balloon

So thus, the rate of change of the surface area of the spherical balloon by its radius will be:

dS/dr = 8πr

A) at r = 1ft;

dS/dr = 8 × π × 1

dS/dr = 8π ft²/ft

B) at r = 3 ft;

dS/dr = 8 × π × 3

dS/dr = 24π ft²/ft

C) at r = 6ft;

dS/dr = 8 × π × 6

dS/dr = 48π ft²/ft

8 0
3 years ago
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