An element's atomic number is 55. How many protons would an atom of this element have?

What is the magnitude and direction of an electric field that exerts a 2.00*10-5N upward force on a - 1.75μC charge?

What will happen to the momentum of the car as sand is loaded onto it?

Which of these could NOT be used to find the mechanical advantage of an inclined plane? A. input force B. output force C. percent efficiency D. length and height of inclined plane

Which parts of an electric generator are connected

What two types of particles exist within an atomic nucleus? Select one: a. Protons and neutrons b. Protons and neutrinos c. Positrons and neutrons d. Neutrons and electrons

Why is the use of scientific names important in biology?

1) what is a calorie?

January 1st 37°F January 7th 48°F January 14th 52°F January 18th 51°F January 21st 45°F January 25th 41°F January 31st 55°F When looking at a data set of numbers, the mean is the average. Look at the table above.

The vector quantity that defines the distance and direction between two positions.

Which statement is true? Select one of the options below as your answer: A. Quarks always occur in groups with leptons. B. Quarks always occur independently. C. Quarks always occur in groups with other quarks. D.