Question

Restless in class, you start tapping your finger on the table. Your friend, sitting right next
to you also starts tapping away. But while you are tapping once every second, you’re
friend taps twice for every one tap of yours.

a) What is the time period and frequency of your
tapping?

b) What is the time period and frequency of your
friend’s tapping?

c) Your tapping starts small waves going down the desk. Sort of like hitting a bell with a
hammer. The frequency of the sound you hear is 1200 Hz. You know the wave speed in
wood is about 3600 m/s. Find the wavelengths generated by your tapping.

Answer 1

Answer:

A terrestrial ecosystem is a land-based community of organisms and the interactions of biotic and abiotic components in a given area. Examples of terrestrial ecosystems include the tundra, taigas, temperate deciduous forests, tropical rainforests, grasslands, and deserts.