Can fly but have no wings. I can cry but I have no eyes. Wherever I go, darkness follows me. What am I?

An object has a momentum of 44 units and a velocity of 11 units. What is the objects mass?

What is the amount of a certain isotope that occurs in a natural sample of an element? Question 12 options: percent atomic weight percent abundance average atomic mass ion abundance

A person suffering from anaemia gets tired

As concentration increases by a tenth, what happens to the pH?

A crate is being pushed at a constant speed across the floor. The gravitational force on the crate is 80N, and the applied force is 50N. What are the other force (s) acting on the crate?

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?