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**Physics "logic" puzzles1**

1. The battery output voltage, the bottle volume, the clock time, and the measure of weight all have something in common. Are they represented by:

one number (I think this is the answer)

more than one number

2. Water is shooting out of the end of a pipe. The end of pipe is bent into a figure 6.

The water shoots out in a curved arc

The water shoots out in a straight line (I think this is the answer)

3. If you drop a boulder and a pebble at the same time, they will fall together with equal accelerations(neglecting air resistance). The principal reason the heavier boulder doesn't accelerate more than the pebble has to do with:

energy

weight

inertia

surface area (I think this is the answer)

none of these

4. Suppose that both an elephant and a feather fall from a high tree. Which encounters the greatest force of air resistance in falling to the ground:

elephant

feather (I think this is the answer)

both the same

5. A strong man is pulling the spring apart. Is there a force in the spring?

yes

no (I think this is the answer)