Which term describes the time it takes for half of a radioactive elements atoms to decay?

absolute age

half-life

radioactive decay

relative age

Two objects with different masses accelerate at the same rate according to newton's 2nd law, what must be true about the forces pushing objects?

The type of current supplied by a battery in a flashlight is an alternating current. True or False?

What is the name of the atomic model in which electrons are treated as waves

What is one advantage of using primary source when doing research on an experiment

Distribution of Intensity with angular distance

How was bohr atomic model similar to Rutherford's model

A rigid container filled with a gas is placed in ice. What will happen to the pressure of the gas? And what will happen to the volume?

A man is sitting on a 20 m height building and his mass is 50 kg. Calculate the mechanical energy.

Which of the following correctly describes which types of waves travel through which types of mediums? A) Transverse waves travel through solids, liquids, and gases.

Niko was hiking in the mountains when he found a spring, or a place where water naturally flows out of the ground. Where did the water in the spring come from? A. It is water that was squeezed out of an igneous rock when the rock changed. B.