Which of the following is not an example of acceleration? A.) A bird, flying at a speed of 5 m/s, speeds up to 10 m/s in a constant direction of north

B.) A car travels along a straight section of highway at a constant 100 km/h

C.) A person runs at a constant 3 mi/h while turning from the north to the east

D.) A car travels along a curve while slowing down to 60 km/h from 100 km/h

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

igneous rocks also form where plates converge. the subducting plate melts as it sinks into the crust of the earth, and the melt rises into the overriding plate forming volcanoes. metamorphic rocks are formed mainly in the lithosphere, wherever there is high pressure and high temperature. -woods