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

---

Definitions:

Unlimited

Having no restrictions or boundaries in quantity or scope.

Fiat Money

Currency that a government has declared to be legal tender, but it is not backed by a physical commodity and derives its value solely from the trust that the currency will be accepted as a form of payment.

Store of Value

An asset, commodity, or currency that retains its value over time, allowing it to be saved, retrieved, and exchanged at a later time.

Board of Governors

The leading body of the Federal Reserve System, overseeing the U.S. banking system.