Acceleration due to gravity is (always / sometimes / never) the same on the earth.

You throw a tennis ball straight up (neglect air resistance). It takes 7.0 seconds to go up and then return to your hand. How fast did you throw the ball?

What is the total number of quarks in a tritium nucleus

Three examples of telescopes that detect different types of electromagnetic radiation

What is an essential characteristic of an object in equilibrium? Zero velocity Zero acceleration Zero momentum Zero energy

2 dm expressed in milimeters

8. What happens to force when mass is increased?

Give an example of ionic and covalent bond, and explain and make an example for each.

Which of these is the best reason for proper nutrition? A. To ensure that you will be skinny B. To protect yourself against certain diseases C. To improve your intelligence D. To ensure that you will get good grades

And object has a mass of 15g it has a volume of 7.5ml. find the density of the object.

I need this answered quickly. is the branch of science for naming and classifying organisms based on their natural relationships? A-physics B-taxonomy C-genetics D-biology