A body of mass 50kg is raised to a height of 2 meters above the ground. What is its potential energy? If the body is allowed to fall, find its kinetic energy just before impact with the ground?

How do waves change as they approach the shore? apex?

Rubbing your hands together warms them by converting work into thermal energy. If a woman rubs her hands back and forth for a total of 12 rubs, at a distance of 7.50 cm per rub, and with a frictional force of 45.

What is the answer for this in scientific notation (6.77 x 10³) + (5.85 x 10³) = ?

How much does 100g grams of platinum cost

What is the main difference between the Schrödinger model and the Bohr atomic model? A) Schrödinger believed that electrons could only exist in orbits, but Bohr stated that electrons could be found anywhere in the atom.

Explain what each of the following scientists contribute to the atomic theory

A fully charged parallel-plate capacitor remains connected to a battery while a dielectric is slid between the plates. Do the following quantities increase, decrease, or stay the same? Select one or more: a. delta V increases b.

Energy is observed in two basic forms: potential and kinetic. Which of the following correctly matches these forms with a source of energy? a. the heat released from a living organism: potential energy b.

What should you do when operating a boat in large waves and high wind?

A planetary nebula forms when the outer layers are expelled from which type of star?