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Mars2501 [29]
3 years ago
7

A 4000 kg rocket is launched, shooting 50 kg of burned fuel from its exhaust at a velocity of -625 m/s. What is the velocity of

the rocket after the fuel has burned? (Ignore the effects of gravity as this rocket is in the deepest darkest regions of interstellar space)

Physics
1 answer:
AnnZ [28]3 years ago
8 0
Hopefully this will help you.

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What effort force will be required to lift the 20 N object using the pulley above?
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I think it is 5N.

Explanation:

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For a constant voltage, how is the resistance related to the current?
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Resistance is inversely proportional to current, so when the resistance doubles, the current is cut in half. Resistance is directly proportional to current, so when the resistance doubles, the current is cut in half.

8 0
1 year ago
A boy of mass 40kg eats bananas contains of 980 joule. If this energy is used to lift him up from ground,the height to which he
Oksanka [162]

Answer:

h = 2.49 [m]

Explanation:

In order to solve this problem we must use the definition of potential energy, which tells us that energy is equal to the product of mass by gravity by height.

The potential energy can be calculated by means of this equation:

Ep = m*g*h

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g = gravity acceleration = 9.81 [m/s^2]

h = elevation [m]

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980 = 40*9.81*h

h = 2.49 [m]

7 0
3 years ago
What is the order of the types of nuclear radiation from lowest to highest
tangare [24]
The best and most correct answer to the question is :
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Hope this helped you :)
8 0
3 years ago
An airplane is seller rates down a runway at 3.10 M/S squared 441.5 seconds from rest until finally left off the ground ,what is
sineoko [7]

Answer:

302129m

Explanation:

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But u= 0

So

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=302129m

6 0
3 years ago
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