What is the density of lead (in g/cm3) if a rectangular bar measuring 0.50 cm in height, 1.55 cm in width, and 25.00 cm in length has a mass of 218.9 g? express your answer using two significant figures?

What is the measure of a change in an object's velocity? (this is all it asks, no answer choices)

What are close-toed shoes least likely to provide protection against? hydrogen gas produced during a reaction spilled water from a hot-water bath broken glass from a dropped test tube acid leaking from a cracked beaker

In getting ready to slam-dunk the ball, a basketball player starts from rest and sprints speed of 6.0m/sin 1.5. Assuming that the player accelerates uniformly, determine the distance he runs.

Which best describes a difference between electric current and static electricity

Why is it possible to remove a paper without moving the object on it. (apply newton's law)

Which phases of matter do molecules have the lowest amount of energy?

How many Oxygen (O) atoms are in the following? H2O + CO2 4 3 2

How does surface roughness affect friction

Why does it hurt your hands when you carry heavy shopping in carrier bags?

Why did scientists choose carbon as a base for the atomic mass unit? Which isotope of carbon did they use?