What does the big bang theory explain?

A. How the universe began

B. How the universe will end

C. How energy is created through fusion

D. How our solar system formed

What is the average speed of a car that moves 570 m in 24 s a. 0.042 m/s b. 24 m/s c. 570 km/s d. 550 N e. 14000 m/s

About how much time elapses between high tides on the same day?

Light shines through a single slit whose width is 5.7 10-4 m. A diffraction pattern is formed on a flat screen located 4.0 m away. The distance between the middle of the central bright fringe and the first dark fringe is 3.9 mm.

A space vehicle deploys its re-entry parachute when it's traveling at a vertical velocity of - 150 meters/second (negative because the parachute is going down.) It comes to rest at 0 meters/second after 30 seconds.

when in object moves stop moving changes speed or changes direction how do scientist describe that condition?

The football player running toward the goal line has A. Potential energy B. Chemical energy C. Kinetic energy D. Elastic potential energy

If the density of an object is 30 g/cm3 and its volume is 10 cm3, what is its mass in grams?

Explain how atoms are aligned in a magnet in terms of the North and South poles.

Which of the following has the largest gravitational potential energy A. a 10kg dog running down the street at 30mph B. a tightrope walker slowly crossing niagara falls C. a 0.02kg bullet moving down the barrel at 800mph D.

Why does the speed of an object change when a force acts on it?