Which element has 7 valence electrons? A. nitogen (N) B. neon (Ne) C. lithium (Li) D. chlorine (CI)

Calculate the moment of inertia and the rotational kinetic energy for the following objects spinning about a central axis (in units of Joules) : a solid sphere with a mass of 200 grams and a radius of 5.0 cm rotating with an angular speed of 2.

Atom - the smallest piece of matter that still retains the property of the element.

The state of matter that expands to fill its container

The Sun is to a planet as - A. Earth is to the Moon. B. the tides are to the Sun. C. a moth is to a flame. D. the seasons are to the Moon.

A child pulls a sled along a rough horizontal surface by applying a constant 20 N force at an angle 60 o above the horizontal. How much work does the child do, in Joules, by pulling the sled 15 meters?

Is physical science part of physics?

Which statement is true about the atomic mass?

Velocity is: а - speed and direction. b - distance divided by time. c - always the same as speed. distance multiplied by time. d - distance multiplied by time

The gauge pressure in each of the four tires of an automobile is 230 kpa. if each tire has a "footprint" of 180 cm2 (area touching the ground), determine the mass of the car.

A bus travels 20 KM and 30 minutes what is average speed of the bus