If element ex has 52 protons how many electrons does it have

Agreen wire that channels electrons away from a power surge is also called a. anode cation polarizer ground

Ou are walking around your neighborhood and you see a child on top of a roof of a building kick a soccer ball. the soccer ball is kicked at 47° from the edge of the building with an initial velocity of 21 m/s and lands 57 meters away from the wall.

Georgia is jogging with a velocity of 4 m/s when she accelerates at 2 m/s squared for 3 seconds. How fast is Georgia running now

Roger pushes a box on a 30° incline. If he applies a force of 60 newtons parallel to the incline and displaces the box 10 meters along the incline, how much work will he do on the box? A. 5.2 * 102 joules B. 6.0 * 102 joules C. -5.2 * 102 joules D.

State the law of conservation of linear momentum.

A sample of ancient granite crust is dated using potassium-40. Scientists find that 50% of the potassium-40 has decayed to form argon-40. Approximately how old is this rock?

A balloon is at a height of 81m and is ascending upwards with a velocity of 12m/s. A body of 2kg weight is dropped from it. If g=10m/s2, the body will reach the surface of the earth in how much time?

Which features do sound waves have the ocean and light waves do not

Select the statement that is true regarding scientific theories. A. Scientific theories are what laws are called before they are proven. B. Scientific theories attempt to explain why natural events occur. C.

If the temperature of the air in a certain region is increased by heating from the sun, does the air pressure at the ground increase or decrease?