Why is it impossible for us to observe any furthur than 13.7 billion light years in the universe?

How far does a sled travel in 5 seconds while accelerating from 4 m/s to 10 m/s?

The peak wavelength for the blackbody curve a star is in the UV range assuming the radiation from the star can reach earth would you be able to see it yes or no

How may atoms does K2CO3 have

At the bow of a ship on a stormy sea, a crewman conducts an experiment by standing on a bathroom scale. In calm waters, the scale reads 182lbs. During the storm, the crewman finds a max reading of 225lbs and a minimum reading of 138lbs A.

While flying over the grand canyon the pilot

The slope of the line on any speed vs time graph is equal to the objects?

True or False? a globular cluster is a group of older stars that are clustered together.

The doppler effect is the change in observed frequency due to

Which of the following is NOT a vector quantity? (A) Acceleration (B) Average velocity (C) Linear momentum (D) Potential energy (E) Force

Which of Newton's laws of motion is demonstrated by a hammer pounding a nail into a board