A6.0-kg object undergoes an acceleration of 2.0 m/s2. (a) what is the magnitude of the resultant force act- ing on it? (b) if this same force is applied to a 4.0-kg object, what acceleration is produced?

Describe cytokinesis in plants and animals. in animals: in plants.

Which of the following is part of the explanation or description of electromagnetic waves? (select all that apply) a. electrically charged molecules in a medium transfer their energy to nearby electrically charged molecules. b. a changing electric field causes a changing magnetic field. c. magnetic molecules in a medium transfer their energy to nearby magnetic molecules. d. a changing magnetic field causes a changing electric field.

The brightest star in the night sky in the northern hemisphere is sirius. its distance from earth is estimated to be 8.7 light years. a light year is the distance light travels in one year. light travels at a speed of 3.00 × 108 m/s. calculate the distance from earth to sirius in miles. (1 mi = 5280 ft) g