At the instant you dropped it from your hand, its speed was zero.
The coin gained 9.8 m/s every second it fell. At the end of 1.85 sec,
just before it went 'tink' onto the ground, its speed was
(9.8 m/s) x (1.85 sec) = 18.13 m/s .
Its velocity at that final instant was 18.13 m/s downward.
The temperature of a balloon is
lowered with liquid nitrogen. The balloon appears to deflate because the gas in
the balloon lost energy and condensed. The answer is letter D.
Answer:
the positively charged central core of an atom, consisting of protons and neutrons and containing nearly all its mass.
BIOLOGY
Explanation:
Answer:
wroung is wrong steatment is wrong
Explanation:
spelling error also speed of sound in air is 721 mph
