Average distance of 160.0 cm. its average time was 5.74 seconds. what is its average speed?

the only real purpose of sputnik 1 was to beat the us into space. we were getting close to launching a useful satellite, explorer 1 - which launched on january 31, 1958. the ussr had to beat that, so they launched sputnik 1 on october 4, 19

d is correct as long as you put the state each one it eg. (aq)

mg(no3)2(aq) + zn(s) > zn(2+)(aq) + ) + mg(s)

hope it !