Why does carbon dating not work for materials older than about 50,000 years?

When analyzing a system in physics, what must be included next to measurable quantities?

An ocean-going research submarine has a 10-cmcm-diameter window 8.6 cmcm thick. The manufacturer says the window can withstand forces up to 1.2*106 NN. What is the submarine's maximum safe depth?

Which of the following is a correct formula of speed

Which microscope is the most powerful and can Map Adams on the surface of an object

Explain the role convection currents plays in creating currents in the ocean

What is the first thing to check when a refrigerator stops working?

You are on a train traveling east at speed of 19 m/s with respect to the ground. 1) If you walk east toward the front of the train, with a speed of 1.5 m/s with respect to the train, what is your velocity with respect to the ground

How the behavior of waves is affected by medium

Is abolute zero equal to 0c

Is the study of the muscle movements in the human body an example of biology or of physics