Question

1)Earth rotates around Sun at distance of 150 000 000 km. Calculate tangential speed of Earth.Period of rotation of Earth is 1 year.Why do not we feel this speed?

2)Discus throwers throw discus with a rate of 20 m/s. Length of arm is about 1 m.Calculate period and frequency of thrower.How many turns does he make in 3 seconds?


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Answer 1

Правильный ответик это 1) я это делала