Answer:
1. Letting the toy roll down a ramp
2. Letting the toy roll down a ramp
3. The objects must have similar charges
4. The plane moves
5. Thermal
Step-by-step explanation:
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Answer:
um
Step-by-step explanation:
1 ft= 12 inches
1/2 ft= 6 inches
=3 1/2 feet - 6 inches
substitute # of inches in for 1/2 foot
=3 ft 6 inches - 6 inches
=3 feet
ANSWER: 3 feet
Hope this helps! :)