A 1 m long rope exerts 8.5 N of tension and spins a 0.6 kg toy airplane in a circular path. What will be the speed of the toy plane as it spins in this circular path?

b.transmitters send radio waves, and receivers capture radio waves.

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.