The velocity (speed) of a sound wave (any wave in fact) is related to its frequency and wavelength by the equation . This is easy to remember since it's a distance divided by a time because frequency is the inverse of the period.
Since for sound traveling through the given solid object we have that and , the speed of sound will be:
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Answer:
Barbara investigating that which food the ants like the most in order to use this food for killing the ants and removes them from a specific area.
Explanation: Ants are insects which sometimes act as pest because it lives in holes in the house and act as a carrier of many harmful diseases so in order to control the spreading of the disease we have to control the population of ants.
Watts are defined as 1 Watt = 1 Joule per second (1W = 1 J/s) which means that 1 kW = 1000 J/s.
Answer:
Introduction Purpose: Explore the interdependence of organisms by
performing an experiment with lima bean plants and earthworms. Question: How can the presence of one species benefit another in
the same ecosystem?
Hypothesis: If plants grow in soil containing worms, then the
plant growth will be greater, because worms help decompose organic matter and distribute it through the soil in a form that plants can use.
Explanation:
Answer:
Euglena is a large genus of unicellular protists: they have both plant and animal characteristics. All live in water, and move by means of a flagellum. This is an animal characteristic. Most have chloroplasts, which are characteristic of algae and plants.
