Most street lights are made from one or two elements mercury or sodium. Explain why astronomers preferred that cities you sodium streetlights instead of mercury streetlights

What is the relationship between a budget deficit and the national debt? Question 1 options: The national debt makes the budget deficit more likely. They are the same. A budget deficit adds to the size of the national debt.

Brainliest for the first person to answer Which is a characteristic of an electromagnetic wave? The fields are at right angles to each other and to the direction of the wave. The waves are produced when an electric charge is at rest.

a 150 kg object takes a 1.5 minute travel to a 2500 straight path it begins you trip at traveling 120 miles an hour and it decelerates to a velocity of 20 miles an hour what is it acceleration

A wire with a resistance of 4.7 is drawn out through a die so that its new length is 4 times its original length. Find the resistance of the longer wire, assuming that the resistivity and density of the material are unchanged.

Calculate the increase in potential energy of a 60.0-kg man who climbs a ladder 10.0 meters high

How do credit cards use magnets to work?

Which of the following describes a physical change? A. Formation of a new substance caused by combining substances B. Water changing from liquid to gas through evaporation or boiling C. Formation of a new substance caused by application of heat

A wave seen at the ocean's shore is which kind of wave? A. Surface wave B. Transverse wave C. Latitudinal wave D. Longitudinal wave

The acceleration due to gravity is equal to second squared. (round to 2 significant digits)

In the diagram above (not to scale), Vx/y = 12.57 meters/second and Vy/z = 5.21 meters/second. What is the value of the resultant vector?