An Unfueled 1000-Kg Experimental Rocket Sled on Level Frictionless Rails

question 45

Multiple Choice

An unfueled 1000-kg experimental rocket sled on level frictionless rails is loaded with 50 kg of propellant. It exhausts the propellant in a 20 s "burn." If the rocket, initially at rest, moves at 160 m/s after the burn, what impulse is experienced by the rocket sled?

• A) 1.1 * 10⁵ kg·m/s
• B) 1.6 * 10⁵ kg·m/s
• C) 1.5 *10⁵ kg·m/s
• D) 1.9 *10⁵ kg·m/s

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Definitions:

Nasal Culture

A test that involves taking a sample from the inside of the nose to identify the presence of organisms that could cause infection.

Reservoir

A natural or artificial lake used as a source of water supply.

Risk For Infection

A condition or situation where an individual has an increased likelihood of developing an infection due to various factors such as immune status or exposure to pathogens.

IV Antibiotic Therapy

The administration of antibiotics directly into a vein to treat bacterial infections, ensuring rapid delivery of the medication into the bloodstream.