Students learned that objects can exert forces on other objects without
touching.
Which three investigations will provide evidence to support what they
have learned?
b
C
measuring how close a soda can must be before it rolls toward a balloon that has been rubbed on someone's hair
counting the number of staples that are directly attached to a strong magnet
dropping a rubber ball from a distance of 1.5 meters above the classroom floor
placing a magnet against a jar containing a mixture of iron filings and sand
measuring how far a toy car travels across the floor before coming to a stop
d
e
Solved
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Ответ:
c
Explanation: