A wave has a frequency of 450 Hz and a wave length of 00.52 m what is the speed of the wave?

How can a small area in the middle of a desert provide an organism what it needs to survive?

How could sea level rise affect our lives here in the Bay Area?

Explain why dogs pant during hot summer days using the evaporation concept?

Unstable potassium oxide reacts with water vapor in the air to produce potassium hydroxide: K2O + H2O → KOH What, if anything, should be done to balance this chemical equation? A) Nothing. It is balanced. B) Put a "2" in front of the KOH.

Consider the Sun and Earth as a single system. How does the law of conservation of energy apply to this system? A) The energy from the Sun that reaches Earth is destroyed by Earth.

A major obstacle to developing good human relations is that

4.) An apartment building is on fire and a guy is trapped on the fire escape ladder. There is a dumpster that is 6.3m away and is filled full of trash, and he is 7m above it.

Calculate the temperature of and power-per-area radiated from a blackbody if the spectral intensity density peaks at (a) gamma rays, λ = 1.50*10-14 m; (b) x rays, 1.50 nm; (c) red light, 640 nm; (d) broadcast television waves, 1.

How has increased energy use associated with scientific advancements affected society? a. It has led to an increase of the concentration of atmospheric carbon dioxide. b. It has led to an increase in hazardous wastes from mining operations. c.

Water is moving with a speed of 5.7 m/s through a pipe with a cross-sectional area of 4.8 cm2. The water gradually descends 9.2 m as the pipe increases to 8.8 cm2. (a) What is the speed at the lower level? (b) If the pressure at the upper level is 1.