Galaxies are classified based on their

a. shape.

c. stars.

b. color.

d. age.

Transforme 0,4m em mm

A 2000 kg boat drifts along the waves at a velocity of 3 m/s. What is the kinetic energy of the boat?

What are 5 landforms formed by river erosion

An electric motor rotating a workshop grinding wheel at a rate of 151 rev/min is switched off. Assume constant angular deceleration of magnitude 2.23 rad/s 2. Through how many revolutions does the wheel turn before it finally comes to rest

The chart shows specific heat data for four substances. A chart with 2 columns and 5 rows. The first column is labeled substance with entries W, X, Y, Z. The second column is labeled specific heat with entries 2.542,.900, 3.209, 1.657.

Fifteen grams of substance X at 95 degrees Celsius is mixed with 45 grams of substance Z at 85 degrees Celsius in a container which was originally at 25 degrees Celsius.

An advanced computer sends information to its various parts via infrared light pulses traveling through silicon fibers (n = 3.50). To acquire data from memory, the central processing unit sends a light-pulse request to the memory unit.

Last week you determined what wavelength of light works best for measuring p-nitrophenol in solution using a spectrophotometer. you then determined the extinction coefficient for p-nitrophenol in solution.

What three ways does the respiratory system modify air before it reaches the lungs?

Which factor listed below most likely results in the loss of genetic variation from small populations? Question 2 options: mutation migration genetic recombination genetic drift