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Topic: Force, Motion, and Energy
Question 1: A rocket has a mass of 1,400 kg. It is launched with an initial thrust of 30,000 N. The air resistance at launch is negligible. Calculate the weight of the rocket in newtons.
Question 2: Calculate the magnitude of the acceleration of the rocket, at the launch.

Sagot :

Question 1.

To find the weight of the rocket, we will just simply multiply its mass by g, which is 9.8 m/s^2.

1400 kg * 9.8 m/s^2 = 13720 kg * m/s^2

The weight of the rocket is 13720 N

Question 2.

To find the acceleration of the rocket upon launch, we will be using the formula F = ma.

F = ma

a = F / m

a = 30000 kg*m/s^2 / 1400 kg

a = 21.43 m/s^2

The acceleration of the rocket upon launch is 21.43 m/s^2

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