How much work is done when 100 N of force is applied to a rock to move it 20 m

Can somebody explain to me how newton's 3rd law relates to momentum? ~ap physics 1

The passing of heat through a material while the material itself stays in place. a. radiation b. conduction c. convection

Question 11 of 13 (1 point) jump to question: a stairway, ladder, or ramp must be present in excavations in which of the following situations? a. all trenches must have access/egress b. the trench is more than 15 feet wide but only 1 ½ feet deep c. the trench is more than 4 feet deep and the devices must be within 25 feet of all workers