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Jlenok [28]
3 years ago
14

BRAINLIEST IF RIGHTLet’s imagine now that you are in a spaceship in outer space, far from any stars or planets, where there is n

o air. If you fire the rocket engine, an unbalanced force is created that propels your spaceship forward.
What will happen when you turn off the rocket engine?

Group of answer choices

The rocket's velocity will decrease over time and distance.

The rocket will stop immediately.

The rocket will continue to travel at a constant velocity.

The rocket's velocity will increase with time and distance.
Chemistry
2 answers:
Tasya [4]3 years ago
4 0

Answer: b

Explanation:

TEA [102]3 years ago
3 0

Answer:

C

Explanation:

Obviously, as there is no air to create friction or any opposing force against the rocket; and there is no force accelerating it.

The rocket will maintain its velocity

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Answer:

E=1.48x10^4J

Explanation:

Hello!

In this case, since the energy implied in a heating process is computed by using the following equation:

E=mC(T_f-T_i)

Whereas m is the mass, C the specific heat and T the temperature. In such a way, by plugging in the given mass, specific heat and temperatures, we obtain the following energy:

E=187.0g*4.703\frac{J}{g\°C} (52.9\°C-36.1\°C)\\\\E=1.48x10^4J

Considering that the specific heat can by used by unit of °C or K because their difference is equivalent.

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