You observe a distant galaxy. you find that a spectral line normally found in the visible part of the spectrum is shifted toward the infrared. what do you conclude?

A car has a speed of 2 m/s and a mass of 1500 kg. What is the cars kinetic energy?

When reaching a boundary between two media (1 and 2), an incident ray is partially reflected and partially refracted. The ray is travelling from media 1 to media 2.

Certain nuclear radiation that is passed through the electric field (above) is deflected towards the red plate. In what way is the nucleus changed by this type of decay? A) A proton is converted to a neutron. B) A neutron is converted to a proton.

Imagine a system where a block rests on an inclined plane. The block is then given an initial push so that it starts sliding down along the plane. After traveling some distance down the inclined plane it comes to rest due to frictional forces.

The mass of the container holding this table salt is 3G. What is the mass of the table salt

Object A with a mass of 500 kilograms hits stationary object B with a mass of 920 kilograms. If the collision is elastic, what happens after the collision? A) Both object A and object B move forward but with different velocities.

A young man walks daily through a gridded city section to visit his girlfriend, who lives m blocks East and nblocks North of where the young man resides.

Aliens from planet Moby have three alleles for skin color: R (red) W (white) and B (Blue). If all of these alleles are codominant and aliens on planet moby can only inherit two alleles for a gene, what are the six possible genotypes for skin color

The difference between two numbers is 15. When twice the smaller number is subtracted from three times the larger number, the difference is 58. What is the larger number?

Vector A makes equal angles with x, y and z axis. value of its components (in terms of magnitude of vector A will be?