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Physics, 24.09.2019 15:10 jjmarie612
How do you know that a speedometer tells you the instantaneous speed of a car?
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What is the electric force acting between two charges of -0.0045 c and -0.0025 c that are 0.0060 m apart? use fe=kq1q2/r^2 and k = 9.00 x 10^9 n*m^2/c^2 a. 1.7 x 10^7 n b. -1.7 x 10^7 n c. -2.8 x 10^9 n d. 2.8 x 10^9 n
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Mechanical energy is when the amount of kinetic and potential energies added together remains the same. conserved created lost
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