A 1 500-Kg Experimental Rocket Sled at Rest on Level

question 59

Multiple Choice

A 1 500-kg experimental rocket sled at rest on level frictionless rails is loaded with 55.0 kg of propellant.It exhausts the propellant in a 20-s "burn." The rocket moves at 155 m/s after the burn.What average force is experienced by the rocket during the burn?

• A)4.26E+2 N
• B)1.16E+4 N
• C)1.21E+4 N
• D)1.94E+2 N
• E)​2.33E+5 N

---

Definitions:

Convex Preferences

A situation in consumer theory where a consumer prefers combinations or mixtures of goods to extreme amounts of either good, illustrating a desire for diversified consumption.

Indifference Curves

Graphical representations of different combinations of two goods that give a consumer equal satisfaction and utility.

Positive Slope

indicates a situation where an increase in one variable leads to an increase in another, commonly represented in graphs.

Reflexive Preferences

A concept in economics indicating that individuals prefer goods or scenarios that reflect their own preferences or identities.