Ethan and rebecca are riding on a merry-go-round. ethan rides on a horse at the outer rim of the circular platform, twice as far from the center of the circular platform as rebecca, who rides on an inner horse. when the merry-go-round is rotating at a constant angular speed, what is ethan’s angular speed?
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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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There are two-speed cameras, one in an are where the speed limit is 30 km/h and another where the speed limit is 50 km/h. in which will there be a smaller time interval between the photographs? explain your answer.
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Ethan and rebecca are riding on a merry-go-round. ethan rides on a horse at the outer rim of the cir...
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