You Throw a Rock Horizontally Off a Cliff with a Speed

question 21

Multiple Choice

You throw a rock horizontally off a cliff with a speed of 20 m/s and no significant air resistance. After 2.0 s, the magnitude of the velocity of the rock is closest to

• A) 28 m/s
• B) 20 m/s
• C) 40 m/s
• D) 37 m/s

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