Curtains in theaters prevent sound waves from being reflected as echoes. Which model best explains why curtains prevent echoes?
-
A
A ball thrown toward a surface will come in contact faster with a soft
surface than with a hard surface.
-
B
A ball thrown at a surface will hit with a greater force on a soft
surface than on a hard surface.
-
C
A ball rolled across a surface will roll more quickly on a hard surface
than on a soft surface.
-
D
A ball dropped on a surface will bounce more on a hard surface than
on a soft surface.