Determine the kinetic energy of a 3.2 kg roller coaster car that is moving with a speed of 15.6 m/s.

Heat transfer occurs

What would most likely happen if the amount of incoming solar energy decreased without a change in the amount of reflection or outgoing radiation? a. earth would heat up. b. earth would cool down. c. energy would no longer be conserved on earth. d.

What happens to the atoms in the reactants during a chemical reaction

When a pair of balanced forces acts on an object, the net force that results is A. greater in size than both forces combined. B. equal to zero. C. greater in size than one of the forces. D. equal in size to one of the forces.

The Eclipses only occur one more time during the year 2025, and that is on September 7th (Lunar) and September 21" (Solar). If we have a full moon and a new moon every month, why do you think we can't see a lunar and solar eclipse every month?

Describe some basic guidelines for safe PRE

Why is the liver important in digestion

A building 190 feet tall casts a 30 foot long shadow. if a person stands at the end of the shadow and looks up to the top of the building, what is the angle of the person's eyes to the top of the building (to the nearest hundredth of a degree) ?

The frequency of which type of electromagnetic wave is just higher than that of visible light? A. infrared waves B. gamma rays C. x-rays D. radio waves E. ultraviolet rays

Two circular coils are concentric and lie in the same plane. The inner coil contains 140 turns of wire, has a radius of 0.015 m, and carries a current of 7.2 A. The outer coil contains 180 turns and has a radius of 0.023 m.