In a neighborhood park, a child of mass m sits in a swing and is swinging back and forth. The seat of the swing is supported by two chains, each of length R. When the child is at the lowest point in the swinging motion, the tension in each chain is T. (Use any variable or symbol stated above along with the following as necessary: g.) (a)

volume: 22

density: 7.04

a) electrical > light, sound, and thermal< < < <

) the mechanical energy of the firefighter moving.< < < < a) electrical > light, sound, and thermal< < < <

c) both a and b.

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