How many electrons are in the third energy level of a calcium atom

A pulley is most closely related to which simple machine?

When you are sitting a few feet from a fire, your skin feels warm. what forms of heat transfer are acting to transfer heat from the fire to your skin?

The pioneer in the technique of photographic collage was:

What is the ability to complete extended periods of physical activity? a. strengthB) enduranceC) healthD) wellnessE) NextReset

The cross-sectional area of the output piston in a hydraulic device is 3.0 times the area of the input piston. For each 1.5 cm the input piston moves, how far does the output piston move

How does a walkie-talkie work and why do people still use them?

A 125-kg merry-go-round in the shape of a uniform, solid, horizontal disk of radius 1.50 m is set in motion by wrapping a rope about the rim of the disk and pulling on the rope.

Jose wandered 4 kilometers at 2 kilometers per hour. How long did Jose wander?

What is the acceleration of a 10kg pushed by a 5n force

A device that changes thermal energy into mechanical energy