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When sound travels faster near the ground than above, bendin…

When sound travels faster near the ground than above, bending of sound tends to be

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A low frequency sound source produces a low

A low frequency sound source produces a low

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 When you push on a wall, you

 When you push on a wall, you

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When no forces act on moving objects their paths are normall…

When no forces act on moving objects their paths are normally

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When a bullet is fired from a rifle, which undergoes the gre…

When a bullet is fired from a rifle, which undergoes the greater acceleration?

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An object’s weight is properly expressed in units of

An object’s weight is properly expressed in units of

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 A car is pulled northward by a 20-N force at the same time…

 A car is pulled northward by a 20-N force at the same time a 40-N force pulls it southward.  The resultant force has a magnitude of

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 The frequency of a certain wave is 4 Hz and its period is

 The frequency of a certain wave is 4 Hz and its period is

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An object moving at constant speed does so because

An object moving at constant speed does so because

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 A block pulled to the left with 20 N and to the right with…

 A block pulled to the left with 20 N and to the right with 5 N at the same time experiences a net force of magnitude

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