What is the distance a car travels when it drives 1 lap on a 5 km track?

if you already have the answer to (a), then just work out how many periods there are in 1 minute, and that's the answer to (c).

we can see how the government has failed them.

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