A Car of Mass 3 $\times$ 10³ Kg Traveling at a Speed of 20 Is

question 16

Multiple Choice

A car of mass 3.0 $\times$ 10³ kg traveling at a speed of 20 is passing a truck of mass 7.5 $\times$ 10³ kg traveling at a speed of 16 in the same direction.What is the speed of the center of mass of this system?

• A)16
• B)17
• C)18
• D)19
• E)20

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Definitions:

Defensive Car-Driving

Defensive car-driving involves operating a vehicle in a manner that seeks to prevent accidents or harm by anticipating potential hazards and making proactive adjustments.

Manipulative Strategies

Tactics used to influence or control others' behaviors or perceptions for personal gain.

External-Unstable Attribution

An attribution where an individual believes an event is caused by changeable, external factors.

Stable-Controllable Attribution

An explanation pattern where success or failure is attributed to factors that are both lasting (stable) and can be influenced by the individual (controllable).