Q. Tom and Zoe make a string telephone. They use two empty tin cans joined by a piece of string. Tom and Zoe are 5 m apart. Tom talks quietly into one tin can, and Zoe holds the other tin can to her ear. If they keep the string taut, the sound of Tom's voice travels along the string. How does the sound travel along the string to Zoe?

Which lists the main components of darwin’s theory of evolution? a. random mutations drive evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms do not change. b. natural selection drives evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms change over time. c. natural selection drives evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms change over time. d. random mutations drive evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms do not change.

What is relative velocity? in which condition is relative velocity known by adding the velocity of the first body and that of the second body

What distance does a car travel as its speed changes from 0 to 20 m/s in 17 s at constant acceleration?