An apple with a mass of 0.95 kilograms hangs from a tree branch 3.0 meters above the ground. If it falls to the ground, what is the kinetic energy of the apple just as it reaches the ground?

Define retentivity and coercivity.

sketch a graph of position vs. time for a person starting 0.4 m away and standing still. Include an explanation of your prediction

A light bulb, a fan, and a tiny speaker are connected to a battery in a series circuit. How will the circuit behave if it is open? A) None of the devices will work. B) The battery will heat up and explode.

The SI unit of power is the watt. Which of the following units are equivalent to the watt? A) V∙AB) J/CC) C/sD) V/sE) A/s

The density of mercury is 13.5 g/cm3 g / c m 3 . Part A Part complete What is this value in kilograms per cubic meter? 1.35*104 kg/m3 k g / m 3

Why do negative particles move more easily than positive particles in an atom?

What countries will see the solar eclipse?

Water is a compound. O A. True B. False

How do air quality scientists ensure the air is cleaned? What steps do they take?

Is a mirrors surface opaque or transparent or translucent?