Chemistry, 22.06.2021 05:00 mathiscool51
A person throws a 0.44-kg ball straight up into the air. It reaches a height of 9
m. What is the force on the ball as it begins to fall? (The acceleration due to
gravity is 9.81 m/s2)
A. 2.06 N
B. 2.48 N
C. 4.32 N
0 D. 1.18N
Answers: 3
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Which statement describes covalent bases? they have hydroxide ions. they produce hydrogen ions. they are often amines. they are named the same as ionic compounds.
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Chemistry, 22.06.2019 03:00
Which of these would be caused by a chemical change? a) the formation of lava. b) sedimantary rock layering over time. c) metamorphic rock forming from igneous. d) metamorphic rock eroding to form sedimentary rock.
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The gulf stream is a warm water current that flows away from the equator to northern europe. witch of these does it cause. a. crashes of warm and cool water in the ocean b.colder climates near the equator c.large waves on the cost of europe d.warm climates in northern europe
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Chemistry, 22.06.2019 19:00
Nan element’s square on the periodic table, the number with the greatest numerical value represents the
Answers: 3
A person throws a 0.44-kg ball straight up into the air. It reaches a height of 9
m. What is the fo...
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