Conservation of energy means that initial kinetic energy =maximum gravitational potential energy. 1/2 * 3 * 10^2 = 150J. The gravitational potential energy at the top is 150 joules. The gravitational potential energy is calculated through mgh, so 150 = 3 * 10 * h. Height is 5 meters
Answer: The statement that correctly identified the difference between laws and theories is
(LAWS describe phenomena (things happening in nature), while THEORIES explain why phenomena exist.)
Explanation:
LAW in the field of natural sciences is defined as a statement which describes a remarkable event( things happening in nature) after repeated close observations.
Example of law in natural science includes:
--> law of conservation of mass
--> law of conservation of energy
THEORY in the field of natural sciences is the explanation of these remarkable events after repeated observations. This helps in bringing together facts and hypothesis (ideas that can be tested with further scientific observations).
Example of theory includes:
--> kinetic theory of matter
--> Dalton's atomic theory.
Explanation:
v = u + at
25 = 75 + a * 5
25 = 75 + 5 a
a = 25 - 75/5
a = -50/5
a = -10m/sec^2
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Answer:
carbon is a non metal that can conduct electricity
Explanation:
an example would be graphite
Velocity is built from speed and direction. Speeding up, slowing down, and changing direction are all the possible forms of acceleration. They're all caused by unbalanced external forces.