A Rocket with Initial Mass of 3

question 33

Multiple Choice

A rocket with initial mass of 3.0 × 10⁴ kg fires its engines at t = 0.The exhaust speed of the rocket is 3.9 × 10³ m/s.If the velocity of the rocket at t = 200 s is 1 500 m/s,how much fuel did it consume?

• A)9.6 × 10³ kg
• B)3.0 × 10⁴ kg
• C)4.4 × 10⁴ kg
• D)4.8 × 10³ kg

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Definitions:

Urethral Meatus

The external opening of the urethra, through which urine exits the body from the urinary bladder.

Perineum

The area between the anus and the genitals, both in males and females, that contains various muscles and tissues.

Lithotomy

A medical position in which a person lies on their back with the hips and knees flexed and the legs apart and raised, often used during childbirth or certain medical procedures.