Jerry is pushing a 50-kg box across a moth floor with an acceleration of 0.6 m/s2. What force is he applying to the box? * 83.3 N
0.012 N
0
30 N

Select all the correct answers. which three statements about electromagnetic radiation are true?

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

Definition: this is the weighted average of all of the isotopes of an element.