Physics, 10.02.2020 22:48 hadilalhjajih
β’ ALWAYS use significant figure rules. Remember that these rules apply to all numbers that are measurements.
β’ In working this problem, assume the value of "g' to be 9.8 m/s2 with two (2) significant digits unless otherwise stated.
Calculate the total energy of 4.0 kg object moving horizontally at 20 m/s 50 meters above the surface.
A.40. J
B.800
C.2000 j
D.2800J
Answers: 1
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