What is the acceleration when the change of velocity is 2 meters in 10 seconds

A star has a spectrum shift exhibiting a red shift. What can you conclude about the distance from earth to that star

You strike a tuning fork. explain how the fork produces sound waves that you can hear.

Calculate the charge due to all of the electrons present in 1.0 mL of pure water. (1 mL of water will contain 3.34 / times 10^{22}3.34*10 22 water molecules).

What is the defining feature of a system? A. properties that don't change B. collision C. interaction D. gravitational force

What is the bubble's diameter just as it reaches the surface of the lake, where the water temperature?

What elements are formed only during the supernova phase of large or extra-large madd star?

When a solid A of mass 12g is completed immensedin a measuring cylinder filled with water it diplaces the same volume of water as does solidB if mass 8 what can be deduced about the densities of solid AandB

Write the energy equivalent to 300 units of electrical energy in joules

Briefly describe why these searches suggest that star-like (our planet-like) objects and black holes cannot account for all the dark matter in the halo of our galaxy.

What two units of measurement are necessary for describing speed?