When Rolled Down a Mountainside at 7

question 49

Multiple Choice

When rolled down a mountainside at 7.0 m/s,the horizontal component of its velocity vector was 1.8 m/s.What was the angle of the mountain surface above the horizontal?

• A)75°
• B)57°
• C)33°
• D)15°

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Definitions:

MY 2014

Refers to the model year 2014, a designation used by automobile manufacturers to identify the annual version of a vehicle.

Smart Switch

Usually refers to a ladder switch but also may refer to either a PLC or switch with independent processing capability.

LED

Light Emitting Diode, a semiconductor device that emits light when current flows through it, known for efficiency and long life.

Smart Switch

A type of electronic switch that can be controlled remotely using a smartphone app or voice-controlled home automation system.