What is the atomic number of a sodium atom that has 11 protons and 12 nuetrons?

a waves amplitude is 0.5 meters. If the amplitude is increased to 1 metro, how does its energy change

How much heat is required to heat the temperature of 338g of aluminum by?

What speed would a fly with a mass of 0.55 g need in order to have a kinetic energy of 7.6 x 104 J?

What kind of weather is signaled by cumulus clouds

A 10 kg car moving at 5 m/s collides with a 5 kg car at rest and causes it to move 10 m/s which principle explains the result

Describe how the competition between invasive and native species might affect a food web

Which vector should be negative? any vector whose magnitude is less than 1 a displacement in the direction North any vector whose magnitude is greater than 1 the velocity of a falling object

Acceleration is a scalar quantity true or false

Find a numerical value for rhoearth, the average density of the earth in kilograms per cubic meter. Use 6378km for the radius of the earth, G=6.67*10-11m3 / (kg⋅s2), and a value of g at the surface of 9.80m/s2.

The driver of a car traveling at 32 m/s applies the brakes and undergoes a constant deceleration of 2.25 m/s^2.