The horizontal rows on the periodic table of elements are called?

If you could travel with speed of light (3.0e5 km/s) it would take only 2.5 minutes to reach venus. how far is venus from earth in km?

Why is magnetic force a non contact force?

A 1000.-kilogram car traveling 20.0 meters per second east experiences an impulse of 2000. newton • seconds west. What is the final velocity of the car after the impulse has been applied? (1) 18.0 m/s east (2) 19.5 m/s east (3) 20.5 m/s west (4) 22.

The equilibrium constant for the reaction of hydrogen gas and oxygen gas to produce water at 500 k is 2.4 * 1047. what does the magnitude of the equilibrium constant tell us about the reaction? 2 h2 (g) + o2 (g) ⇄ 2 h2o (g) k = 2.4 * 1047

Which of the gas giants has the largest diameter Physical science unit 5 lesson 4

Crickets chirpy and milada jump from the top of a vertical cliff. chirpy drops downward and reaches the ground in 2.70 s, while milada jumps horizontally with an initial speed of 95.0 cm>s.

Explain how gamma rays are produced by energy

A mechanical wave may be described as a disturbance that is transported through a medium via the mechanism of particle-to-particle interaction. Which of these is not classified as a mechanical wave? A) earthquake B) light C) sound D) water

How many paths do the electrons have to flowlin a series circuit?

A force of 6 lb is required to hold a spring stretched 4 in. beyond its natural length. How much work W is done in stretching it from its natural length to 8 in. beyond its natural length?