A stone is dropped from rest at the top of a mine shaft. it takes 15 s for a stone to fall to the bottom of a mine shaft. how deep is the shaft?

Water in the lake behind hoover dam is 221 m deep. part a what is the gauge water pressure at the base of the dam?

Which of the following lists the composition of the Earth's outer core? A. calcium, potassium B. silicon, aluminum, calcium, sodium and potassium C. iron, nickel D. oxygen, magnesium, iron, aluminum, and calcium

Blue-green bacteria belong to the kingdom a. Monera b. Plantae c. Fungi d. Protista

Following an inelastic collision, what can kinetic energy be converted into? Check all that apply. heat impulse momentum potential energy sound

Which of these best illustrates the main difference between the Republican and Democratic parties?

3. A hydraulic lift is used to jack a 950-kg car 45 cm off the floor. The diameter of the output piston is 23 cm, and the input force is 375 N. a. What is the area of the input piston? (10pts) b.

An electric current in a metal consists of moving (A) Protons (B) neutrons (C) electrons

How does the idea of rotating disk in the nebular model explain certain observed celestial phenomena?

If a small child were to release a balloon into the atmosphere, what would happen to the size of the balloon as it makes it way higher in the sky?

Is a aluminum pie plate an element