Aparent swings a 13.5 kg child
in a circle of radius 0.811 m,
making 11 revolutions in 25.4 s.
at what speed does the child move?
(unit = m/s)

Determine the amount of work done when a crane lifts a 100-n block form 2m above the ground to 6m above the ground

Zeros that follow non-zeros numbers and are also to the right of a decimal point are significant

Much of the information taught in earth-space science would not be available if it weren’t for our remote sensing abilities. explain two ways our remote sensing strategies contribute to our knowledge of these topics.