While in empty space, an astronaut throws a ball at a velocity of 12 m/s. what will the velocity of the ball be after it has traveled 6 meters?

Archimedes' principle says that a 15 N object is buoyed up by a force that is

An atom of an element has 38 electrons. What is also true of that atom? A. It has an atomic mass of 38. B. It has 38 protons. C. It has 38 neutrons. D. It bonds with 38 elements. I got B

The Hertzsprung-Russel diagram is used to show the relationship between which two characteristics of stars?

A 2.35 kg ball falle 5.50 m. How much work does the force of gravity do on the ball?

An accelerating voltage

What does the Law of the Conservation of Mass state

D. protons and neutrons have charges of the same magnitude but opposite sign. true or false

Explain the roles of products, reactants, and limiting reactant in chemical reaction.

Increasing the concentration and increasing the temperature both increase reaction rates based on which physical phenomenon? 1. increasing the frequency of molecular collisions 2. decreasing the activation energy 3.

How to solve for h using the formula eg=mgh?