Answer:
false
Explanation:
I'm pretty sure that's false.
Answer:
a jar with no water and 2 marbles
Explanation:
When a jar is half fill with water and 2 marbles, the amplitude pitch of the sound produced is lower because the water has caused the glass to vibrate slower. When there is no water and two marbles in the jar, the amplitude and pitch is higher because the jar is vibrating faster.
Answer:
the detection of the equivalence point, the point at which chemically equivalent amounts of the reactants have been mixed.
Answer:
This was done by measuring the acceleration due to gravity as accurately as possible and then calculating the mass of Earth M from the relationship Newton's universal law of gravitation gives mg=GmMr2 m g = G m M r 2 , where m is the mass of the object, M is the mass of Earth, and r is the distance .
