A 2 KG box is put on the surface of an inclined plane at 30 degrees with the horizontal. The box is pulled by a 40 N force applied horizontally relative for the inclined plane. The surface of the inclined plane is assumed to be frictionless. A) Determine the acceleration of the box.
B) Determine the force exerted by the inclined plane on the box.

i don't know that i agree with that but what's the question ?

frequency or wavelenth of em radiation in a vacuum

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

total distance/total time

(85 + 82)/(5+3)

167/8

20 just over