In an Air-Free Chamber, a Pebble Is Thrown Horizontally, and at the Same

question 94

Multiple Choice

In an air-free chamber, a pebble is thrown horizontally, and at the same instant a second pebble is dropped from the same height. Compare the times of fall of the two pebbles.

• A) The dropped pebble hits first.
• B) The thrown pebble hits first.
• C) They hit at the same time.
• D) We cannot tell without knowing which pebble is heavier.

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