Abook with a mass of 5 kg is pushed off a table with the velocity of 2 m/s. what is its momentum?

a. 7 kg-m/s
b. 3 kg-m/s
c. 15 kg-m/s
d. 10 kg-m/s

Awave is produced in a slinky as shown. what is the direction of the slinky wire at point p as the waves travel through this point?

The focal length of a relaxed human eye is approximately 1.7 cm. when we focus our eyes on a close up object, we can change the refractive power of the eye by about 16 diopters. (a) does the refractive power of our eyes increase or decrease by 16 diopters when we focus closely? explain. (b) calculate the focal length of the eye when we focus closely.

Select the correct answer. what does the process of natural selection involve?