0.05 kg bullet is fired to the north from a 4.0 kg rifle that is initially at rest. The

bullet leaves the rifle with a momentum of 20 Ns. Determine the total momentum of the bullet-and-rifle before the bullet is fired?

If scientists could create a sheet of glass with a refractive index so high that it took light months or years to travel through the glass, what kind of things do you think they could do with it?

What tool should a scientist use to measure an object in milligrams

A car accelerates from 25 km/hr to 55 km/hr in 30 seconds. What is the car's acceleration

Explain why the liquids in a salad dressing bottle settled back into the same order after they were shaken up.

The force involves the attraction between objects with mass. Strong nuclear. Gravitational. Electromagnetic. Weak nuclear

These examples include learned and innate behavioral adaptations of animals. Which statement describes a learned behavioral adaptation of an animal? A. Your knee j e r k s when it is hit by a doctor. B. A dog shakes water from its fur. C.

Vitellium (Vi) has the following composition:Vi-188: 187.9122 amu; 10.861%Vi-191: 190.9047 amu; 12.428%Vi-193: 192.8938 amu; 76.711%Based on this data, what can you predict about the average atomic mass of vitellium?

if you have an experimental setup which has three unknowns, how many linearly independent equations do you need to determine the unknowns to find one unique solution?

What is a sedimentary rock consisting of material that was precipitated from water

The path of a beam of light from the sun to your eye when you are wearing sunglasses