An object on earth has a mass of 4 kg. calculate its weight on another planet that has an acceleration due to gravity one-half that of the earth.

The sun emits electromagnetic waves at many frequencies, but mostly in the infrared, visible, and ultraviolet spectrums. what kind of energy is this?

Two children push on opposite sides of a door during play. both push horizontally and perpendicular to the door. one child pushes with a force of 165 n at a distance of 0.400 m from the hinges, and the second pushes at a distance of 0.450 m.

According to Newton's second law of motion what is force equals to

What would happen to a vacant lot if it was left alone for 25 years

The Architecture and Construction career cluster is a group of careers focused on designing, constructing, and maintaining buildings and other structures. assembly of buildings and structures. designing and planning buildings.

What are the benefits of the cool-down period following exercise?

What force keeps our atmosphere from floating out into space? heat water gravity outgassing

a subsrance has an atomic number of 80. How many protons and electrons do atoms of the substance have? what is the subsance?

Ideal meters problem. What internal resistance is ideal for a voltmeter? What internal resistance is ideal for an ammeter?

numerical question : what is the required heat to raise the temperature of 2 kg parrafin by 10 Celsius if 44000 joules is required to raise it by 200 celsius