If the Tension, T, Is 15 N and the Magnitude

question 27

Multiple Choice

If the tension, T, is 15 N and the magnitude of the acceleration, a, is 3.0 m/s2, what is the mass, m, of the suspended object? Assume that all surfaces and the pulley are frictionless.

• A)3.1 kg
• B)2.5 kg
• C)2.8 kg
• D)2.2 kg
• E)3.7 kg

Identify the main steps of the nitrogen cycle.

Understand the processes involved in the hydrologic cycle and identify which are not part of it.

Explain how dissolved phosphorus in aquatic ecosystems can return to land.

Describe the trophic levels within a food chain.

---

Definitions:

Local Idioms

Expressions or phrases that are specific to a particular language or region and may not be understood outside of that context.

Computerized Translation Tools

Software or online services that automatically translate text from one language to another.

Automated Translation

The use of software to convert text or speech from one language to another without human intervention.

Idiomatic Phrases

Phrases that mean more than the sum of their literal parts; such phrases can be difficult for nonnative speakers to understand.