A boy is whirling a stone at the end of a string around his head. The string makes two complete revolution every second, and the tension in the string is T. The boy decreases the speed of the stone, keeping the radius of the circle unchanged, so that the string makes one complete revolutions per second. What happens to the tension in the sting

the second one and the forth one are in the purple because they are opinions and the rest are in the yellow

explanation:

answer: (431,2)

step-by-step explanation:

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