A 30-Kg Mass Is Sliding on a Horizontal Frictionless Surface with with a Speed

question 77

Multiple Choice

A 3.0-kg mass is sliding on a horizontal frictionless surface with a speed of 3.0 m/s when it collides with a 1.0-kg mass initially at rest as shown in the figure.The masses stick together and slide up a frictionless circular track of radius 0.40 m.To what maximum height,h,above the horizontal surface will the masses slide?

• A)0.18 m
• B)0.15 m
• C)0.21 m
• D)0.26 m
• E)0.40 m

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Definitions:

FMVSS 121

Legislation that defines minimum standards for all highway operated air brake equipment.

System Pressure

Usually refers to the range of pneumatic circuit pressures between cut-out and cut-in pressure values in an FMVSS 121–compliant air brake system. Can refer to other fluid power circuit pressures such as those in transmission hydraulics and engine lube circuits.

Tractor/Trailer Combination

A configuration consisting of a tractor unit that provides the motive power and a trailer unit that carries the cargo, commonly used for freight transport.