Which of the following have electrical charge? a. protons and neutrons b. neutrons and electrons c. electrons and protons

A child throws a ball perfectly horizontally at the same time a dirt clod falls off it atthe same height above the ground. The clod falls vertically downward.

The speed of sound is dependent on which of the following? the medium through which the sound travels the object that creates the sound the refraction of the sound none of the above

what kinds of details does Kafka use to establish Gregor's life his metamorphosis into an insect. how do these familiar deta objects define Gregor's character and life

A 40 kg box is placed on a 2 m tall shelf. a. What is the gravitational potential energy of the box? b. If the box falls off the shelf, what is its kinetic energy as it strikes the ground? c.

A box of books with mass 58 kg rests on the level floor of the campus bookstore. The floor is freshly waxed and has negligible friction. A bookstore worker applies a constant horizontal force with magnitude 25 N to the box.

A hot spot is an area where material from deep within the mantle rises and melts through the crust above it. True or False

Disabling asthma attacks can lead to restrictive school activity of approximately

What is the force behind mass movements

You have a rock with a volume of 15 cm 3 and a mass of 45 grams. What is its density?

Sound waves travel the fastest through which of the following? A. cold gas B. hot gas C. Hot vacuum D. Cold vacuum