Question
What can be done to improve the efficiency of a ramp?(1 point)
Responses
Make it shorter and steeper.
Make it shorter and steeper.
Insulate the surface with foam.
Insulate the surface with foam.
Smooth the surface.
Smooth the surface.
Add a rough surface.
Responses
Make it shorter and steeper.
Make it shorter and steeper.
Insulate the surface with foam.
Insulate the surface with foam.
Smooth the surface.
Smooth the surface.
Add a rough surface.
Answers
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