The direction of an electric field is the direction of the force that the field would exert on

carla slowed down in the beginning of her trip, stopped, and then sped up

massxgravity x heght=weightxheight= pe

4900=490xh

h=10

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