A Rocket Moving in Outer Space Maintains a Constant Acceleration

question 13

Multiple Choice

A rocket moving in outer space maintains a constant acceleration (magnitude = 20 m/s²) while ejecting fuel at a speed of 15 km/s relative to the rocket. If the initial mass of the rocket is 3 000 kg, what is the magnitude of the thrust after 800 kg of fuel have been consumed?

• A) 56 kN
• B) 48 kN
• C) 52 kN
• D) 44 kN
• E) 36 kN

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Definitions:

Rhodopsin

A light-sensitive pigment found in the rods of the retina, critical for vision in low-light conditions.

Color Vision

The ability of the eye and brain to distinguish objects based on the wavelengths of the light they reflect, emit, or transmit.

Light Energy

The form of energy that is visible to the human eye and is responsible for the sense of sight.

Brightness

A visual perception describing how luminous or vivid a light source or color appears to be.