N principle, any time someone jumps up, the Earth moves in the opposite direction. To see why we are unaware of this motion, calculate the recoil speed of the Earth when a 75 kg person jumps upward at a speed of 2.0 m/s

first thing first of the answer is with technology. second thing second thing is that the big bang theory did not happened u see they say it did but what they dont realize is that like dinasures are still a round they might deny it but they and look at these 12 foot human skelteons they find lets see didnt the bible say something about giants. hope this peace.

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2

prndulum needs thread, weight clock to time swings