A very small source of light that radiates uniformly in all directions produces an electric field with an amplitude of ܧ at a d
1 answer:
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Answer: 81.619 kJ
Explanation:
Given
Mass of roller coaster is
It reaches the steepest hill with speed of
Hill to bottom is 51 m long with inclination of
Height of the hill is
Conserving energy to get kinetic energy at bottom
Energy at top=Energy at bottom