An object has a mass of 12.8 kg and a velocity of 8.4m/s. what is the kinetic energy of the oblects

How does an atom of potassium-41 become a potassium ion with a + 1 charge? 19 K 39.10 A. The atom gains 1 proton, to make a total of 20. B. The atom loses 1 electron, to make a total of 18. C. The atom gains 1 proton, to make a total of 42. D.

How is our solar system organized?

Which operation gives a resultant vector?

A 73.0 kg firefighter climbs a flight of stairs 9.0 m high. how much work is required? j

Hi to answer this question you need to be in 5th grade or older Carlita hangs two balloons from a desk. when they hang normally, they are close together but they do not touch. Carlita rubs both balloons with a wool cloth.

If element X has 17 protons, how many electrons does it have?

A 2.0-kilogram laboratory cart is sliding across a horizontal frictionless surface at a constant velocity of 4.0 meters per second east. What will be the cart's velocity after a 6.0-newton westward force acts on it for 2.

A boat floats with 25% of its volume under water. a. What is the boatâs density? b. If the boat was made from 500 kg of metal, what is the volume of the boat? (Assume the air in the boat has negligible mass and density) c.

Why does each mineral have their own property, different from every other mineral?

Earth's tallest mountain ranges are found at plate boundaries