A 12-Kg Object Moving with a Speed of 8

question 31

Multiple Choice

A 1.2-kg object moving with a speed of 8.0 m/s collides perpendicularly with a wall and emerges with a speed of 6.0 m/s in the opposite direction. If the object is in contact with the wall for 2.0 ms, what is the magnitude of the average force on the object by the wall?

• A) 9.8 kN
• B) 8.4 kN
• C) 7.7 kN
• D) 9.1 kN
• E) 1.2 kN

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Definitions:

GATT

The General Agreement on Tariffs and Trade, an international treaty designed to reduce tariffs and other trade barriers.

Dispute Settlement Understanding

A core WTO agreement that outlines how countries can resolve trade disputes under its framework.

WTO

Short for World Trade Organization, an international body aimed at promoting and facilitating free trade by reducing tariffs and other trade barriers.

Tariff

A tax or duty to be paid on a particular class of imports or exports, used by governments to regulate trade.