A rider lands on all four wheels after riding on a ramp. If the rider's weight is 900N and the portion of each wheel touching the ground is 0.002m2, how much pressure is the board exerting on the ground?

i think the answer is a, hope this is right, that would be my best guess.

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

high-sugar diet and high cholesterol

part 1: which substance has a higher solubility?

a

smallest amount left undissolved atall temps in table shown most has dissolved high sol'by