A cart (mass = 2.7 kg) is pushed and held against a spring such that the spring stores 62.6 joules of energy. Use conservation of energy to determine the speed that the spring can impart to the cart when the cart is released.

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

force required to detach it is given by

charges are taken to be fundamental charge

now we have

so above is the minimum distance at which it will detach

the components of a vector are the parts of the vectors that are to each other.

b perpendicular