An earthquake causes a 3 kg book to fall from a shelf. If the book lands with

a speed of 4.0 m/s, from what height did it fall?

A. 2.8 m

B. 1.4 m

C. 0.6 m

D. 0.8 m

The following measurements were made to determine the density of a material whose value was, occording to the handbook of Chemistry and Physics, 3.75g/ml. Trial #1 4.75 g/ml Trial #2 4.75 g/ml Trial #3 4.74 g/ml

One liter (1000cm3) of oil is spilled onto a smooth lake. If the oil spreads out uniformly until it makes an oil slick just one molecule thick, with adjacent molecules just touching, estimate the diameter of the oil slick.

What is hooke's law? does it apply to elastic materials or to inelastic materials?

Calculate the impulse of a 0.140 kg baseball that starts at rest on a tee and reaches a final velocity of 20 m/s after being struck with a force of 100 N.

Do deaf children go through the four stages of acquiring language? Use what you've read in the chapter to explain why or why not. Further, explain any differences and/or similarities that may take place.

Which of these changes does a submarine encounter as it returns from the bottom of the ocean to the surface of the ocean? a. the amount of sunlight increases. b. the water temperature decreases. c. the amount of plants decreases. d.

Why do some elements have symbols that don't use letters in the element's name?

How many (whole number of) 91 kg people can safely occupy an elevator that can hold a maximum mass of exactly 1 metric ton? A metric ton is 1.000 * 103 kg. Answer in units of people.

What are the two types of surface waves? How are they different and which one would cause more damage? Explain.

What causes a regular reflection?