A Car Heading North Collides at an Intersection with a Truck

question 4

Multiple Choice

A car heading north collides at an intersection with a truck of the same mass as the car heading east.If they lock together and travel at 28 m/s at 46° north of east just after the collision,how fast was the car initially traveling? Assume that any other unbalanced forces are negligible.

• A) 40 m/s
• B) 20 m/s
• C) 80 m/s
• D) 30 m/s

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Definitions:

Glycoprotein

Glycoproteins are proteins that have sugar molecules attached to them, playing crucial roles in cell-cell recognition and immune responses.

Covalently Linked

Atoms connected by covalent bonds, where they share one or more pairs of electrons to achieve stability.

Integral Proteins

Proteins that are permanently attached to the membrane, playing critical roles in cell signaling, structure, and transport.

Lipid Bilayer

A double-layered structure formed by lipids that constitutes the main component of all cell membranes, providing barrier and structural integrity to cells.